/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=SHALLOWEST --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_spec4_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:41:55,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:41:55,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:41:55,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:41:55,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:41:55,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:41:55,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:41:55,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:41:55,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:41:55,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:41:55,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:41:55,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:41:55,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:41:55,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:41:55,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:41:55,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:41:55,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:41:55,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:41:55,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:41:55,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:41:55,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:41:55,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:41:55,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:41:55,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:41:55,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:41:55,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:41:55,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:41:55,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:41:55,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:41:55,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:41:55,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:41:55,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:41:55,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:41:55,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:41:55,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:41:55,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:41:55,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:41:55,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:41:55,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:41:55,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:41:55,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:41:55,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:41:56,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:41:56,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:41:56,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:41:56,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:41:56,005 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:41:56,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:41:56,005 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:41:56,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:41:56,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:41:56,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:41:56,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:41:56,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:41:56,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:41:56,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:41:56,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:41:56,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:41:56,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:41:56,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:41:56,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:41:56,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:41:56,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:41:56,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:41:56,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:41:56,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:41:56,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:41:56,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:41:56,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:41:56,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:41:56,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:41:56,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:41:56,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:41:56,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:41:56,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:41:56,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:41:56,457 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:41:56,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-10-27 03:41:56,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0974b6cad/436fa656ff2c4293ad1e1292e3f76f04/FLAGc9fdb7d70 [2020-10-27 03:41:57,219 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:41:57,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-10-27 03:41:57,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0974b6cad/436fa656ff2c4293ad1e1292e3f76f04/FLAGc9fdb7d70 [2020-10-27 03:41:57,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0974b6cad/436fa656ff2c4293ad1e1292e3f76f04 [2020-10-27 03:41:57,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:41:57,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:41:57,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:57,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:41:57,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:41:57,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:57" (1/1) ... [2020-10-27 03:41:57,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2874124b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:57, skipping insertion in model container [2020-10-27 03:41:57,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:57" (1/1) ... [2020-10-27 03:41:57,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:41:57,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:41:57,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:57,985 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:41:58,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:58,119 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:41:58,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58 WrapperNode [2020-10-27 03:41:58,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:58,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:41:58,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:41:58,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:41:58,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... [2020-10-27 03:41:58,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... [2020-10-27 03:41:58,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... [2020-10-27 03:41:58,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... [2020-10-27 03:41:58,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... [2020-10-27 03:41:58,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... [2020-10-27 03:41:58,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... [2020-10-27 03:41:58,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:41:58,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:41:58,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:41:58,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:41:58,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:41:58,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:41:58,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:41:58,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:58,362 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:41:58,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:58,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:58,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:58,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:58,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:41:58,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:41:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:41:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:41:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:41:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:41:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:41:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:41:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:41:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:41:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:41:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:41:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:41:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:41:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:41:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:41:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:41:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:41:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:41:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:41:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:41:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:41:58,370 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:41:58,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:41:58,370 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:41:58,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:41:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:41:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:41:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:41:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:41:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:41:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:41:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:41:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:41:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:41:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:41:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:41:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:41:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:41:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:41:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:41:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:41:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:41:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:41:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:41:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:41:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:41:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:41:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:41:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:41:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:41:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:41:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:41:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:41:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:41:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:41:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:41:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:41:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:41:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:41:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:41:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:41:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:41:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:41:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:41:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:41:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:41:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:41:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:41:58,382 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:41:58,382 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:41:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:41:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:41:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:41:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:41:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:41:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:41:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:41:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:41:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:41:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:41:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:41:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:41:59,701 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:41:59,701 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:41:59,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:59 BoogieIcfgContainer [2020-10-27 03:41:59,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:41:59,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:41:59,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:41:59,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:41:59,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:41:57" (1/3) ... [2020-10-27 03:41:59,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99254a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:59, skipping insertion in model container [2020-10-27 03:41:59,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:58" (2/3) ... [2020-10-27 03:41:59,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99254a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:59, skipping insertion in model container [2020-10-27 03:41:59,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:59" (3/3) ... [2020-10-27 03:41:59,719 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2020-10-27 03:41:59,734 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:41:59,740 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:41:59,756 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:41:59,807 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:41:59,808 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:41:59,809 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:41:59,809 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:41:59,809 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:41:59,810 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:41:59,810 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:41:59,811 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:41:59,846 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-10-27 03:41:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:41:59,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:59,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:59,885 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:41:59,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:59,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1929651748, now seen corresponding path program 1 times [2020-10-27 03:41:59,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:59,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009122551] [2020-10-27 03:41:59,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:00,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:00,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:00,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:02,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:42:05,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:42:05,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 03:42:05,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:42:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 03:42:05,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 03:42:05,659 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:05,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:05,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 03:42:05,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:05,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:05,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:05,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:05,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:05,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:05,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:05,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:05,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:05,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:05,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:05,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:05,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:05,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:05,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:05,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:05,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:05,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:42:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:05,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:05,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:05,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:05,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:42:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:05,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:05,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:05,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:05,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:05,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:05,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:05,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009122551] [2020-10-27 03:42:05,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:05,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 03:42:05,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559836358] [2020-10-27 03:42:05,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 03:42:05,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:05,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 03:42:05,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 03:42:05,989 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 4 states. [2020-10-27 03:42:06,501 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:08,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:08,850 INFO L93 Difference]: Finished difference Result 456 states and 591 transitions. [2020-10-27 03:42:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 03:42:08,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-27 03:42:08,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:08,870 INFO L225 Difference]: With dead ends: 456 [2020-10-27 03:42:08,870 INFO L226 Difference]: Without dead ends: 297 [2020-10-27 03:42:08,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:42:08,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-27 03:42:09,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 227. [2020-10-27 03:42:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-27 03:42:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 266 transitions. [2020-10-27 03:42:09,042 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 266 transitions. Word has length 47 [2020-10-27 03:42:09,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:09,043 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 266 transitions. [2020-10-27 03:42:09,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 03:42:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 266 transitions. [2020-10-27 03:42:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 03:42:09,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:09,048 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] [2020-10-27 03:42:09,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:42:09,048 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:09,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:09,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1904053206, now seen corresponding path program 1 times [2020-10-27 03:42:09,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:09,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105766549] [2020-10-27 03:42:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:09,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:11,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 03:42:14,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:42:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4911 [2020-10-27 03:42:14,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:42:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 03:42:14,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,406 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 03:42:14,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:14,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:14,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:14,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:14,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:14,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:14,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:14,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:14,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:42:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:42:14,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:14,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:42:14,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:14,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:14,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:42:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:14,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:14,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 03:42:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:42:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:14,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105766549] [2020-10-27 03:42:14,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:14,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:42:14,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633444894] [2020-10-27 03:42:14,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:42:14,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:14,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:42:14,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:42:14,625 INFO L87 Difference]: Start difference. First operand 227 states and 266 transitions. Second operand 8 states. [2020-10-27 03:42:15,250 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:16,873 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:17,310 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:17,693 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:18,063 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:19,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:19,911 INFO L93 Difference]: Finished difference Result 768 states and 1035 transitions. [2020-10-27 03:42:19,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:42:19,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-27 03:42:19,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:19,922 INFO L225 Difference]: With dead ends: 768 [2020-10-27 03:42:19,922 INFO L226 Difference]: Without dead ends: 565 [2020-10-27 03:42:19,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:42:19,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-27 03:42:20,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 432. [2020-10-27 03:42:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-27 03:42:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 522 transitions. [2020-10-27 03:42:20,103 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 522 transitions. Word has length 61 [2020-10-27 03:42:20,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:20,104 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 522 transitions. [2020-10-27 03:42:20,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:42:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 522 transitions. [2020-10-27 03:42:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 03:42:20,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:20,108 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] [2020-10-27 03:42:20,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:42:20,109 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:20,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:20,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1145683388, now seen corresponding path program 1 times [2020-10-27 03:42:20,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:20,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091806353] [2020-10-27 03:42:20,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:20,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:20,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:20,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:22,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:22,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 03:42:22,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:42:22,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2331 [2020-10-27 03:42:22,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:42:22,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:22,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 03:42:22,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:22,873 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:22,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:22,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:22,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:22,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 03:42:22,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:22,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:22,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:22,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:22,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:22,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:22,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:22,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:22,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:22,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:22,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:22,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:22,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:22,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:22,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:22,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:22,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:22,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:23,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:23,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:23,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:23,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:23,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:23,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:23,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:23,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:23,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:23,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:23,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:23,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:23,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:23,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:23,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:23,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:23,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:23,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:23,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:42:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:23,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:23,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:23,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:23,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:42:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:23,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:23,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:23,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:42:23,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:23,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:42:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:23,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:23,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:23,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:23,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 03:42:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:23,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:23,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:23,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:23,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:23,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:23,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 03:42:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:23,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:23,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:23,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:23,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091806353] [2020-10-27 03:42:23,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:23,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 03:42:23,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472652534] [2020-10-27 03:42:23,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:42:23,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:23,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:42:23,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:42:23,098 INFO L87 Difference]: Start difference. First operand 432 states and 522 transitions. Second operand 6 states. [2020-10-27 03:42:23,534 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:25,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:25,750 INFO L93 Difference]: Finished difference Result 1223 states and 1691 transitions. [2020-10-27 03:42:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:42:25,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-10-27 03:42:25,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:25,762 INFO L225 Difference]: With dead ends: 1223 [2020-10-27 03:42:25,762 INFO L226 Difference]: Without dead ends: 815 [2020-10-27 03:42:25,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:42:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-10-27 03:42:25,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 656. [2020-10-27 03:42:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-27 03:42:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 831 transitions. [2020-10-27 03:42:25,997 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 831 transitions. Word has length 65 [2020-10-27 03:42:25,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:25,998 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 831 transitions. [2020-10-27 03:42:25,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:42:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 831 transitions. [2020-10-27 03:42:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 03:42:26,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:26,001 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] [2020-10-27 03:42:26,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:42:26,002 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:26,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:26,003 INFO L82 PathProgramCache]: Analyzing trace with hash 683680086, now seen corresponding path program 1 times [2020-10-27 03:42:26,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:26,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966611533] [2020-10-27 03:42:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:27,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:27,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 03:42:31,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:42:31,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 03:42:31,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:42:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 03:42:31,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,510 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:31,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 03:42:31,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:31,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:31,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:31,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:31,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:31,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:31,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:31,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:31,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:31,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:31,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:42:31,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:42:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:42:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:31,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:31,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:42:31,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:42:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:31,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:31,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:31,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 03:42:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:31,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:31,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:31,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:31,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:31,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:31,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966611533] [2020-10-27 03:42:31,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:31,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:42:31,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435419563] [2020-10-27 03:42:31,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:42:31,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:31,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:42:31,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:42:31,790 INFO L87 Difference]: Start difference. First operand 656 states and 831 transitions. Second operand 11 states. [2020-10-27 03:42:32,402 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:33,369 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:42:34,164 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:34,612 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:42:35,028 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:42:35,403 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:42:35,859 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:42:36,322 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:42:37,953 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:38,469 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:42:41,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:41,970 INFO L93 Difference]: Finished difference Result 1656 states and 2633 transitions. [2020-10-27 03:42:41,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 03:42:41,976 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2020-10-27 03:42:41,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:41,990 INFO L225 Difference]: With dead ends: 1656 [2020-10-27 03:42:41,990 INFO L226 Difference]: Without dead ends: 1294 [2020-10-27 03:42:41,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=205, Invalid=665, Unknown=0, NotChecked=0, Total=870 [2020-10-27 03:42:41,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2020-10-27 03:42:42,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 966. [2020-10-27 03:42:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-27 03:42:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1299 transitions. [2020-10-27 03:42:42,242 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1299 transitions. Word has length 62 [2020-10-27 03:42:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:42,242 INFO L481 AbstractCegarLoop]: Abstraction has 966 states and 1299 transitions. [2020-10-27 03:42:42,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:42:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1299 transitions. [2020-10-27 03:42:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 03:42:42,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:42,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:42,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:42:42,247 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:42,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:42,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1021123783, now seen corresponding path program 1 times [2020-10-27 03:42:42,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:42,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392375135] [2020-10-27 03:42:42,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:42,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:42,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:44,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:44,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 03:42:47,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:42:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 03:42:47,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:42:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 03:42:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,686 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:47,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 03:42:47,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:47,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:47,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:47,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:47,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:47,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:47,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:47,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:42:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:47,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:47,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:42:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:42:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:42:47,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:47,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:42:47,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:42:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:47,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:42:47,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:42:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:47,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 03:42:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:47,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:47,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 03:42:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 03:42:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:47,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:47,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:47,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 03:42:48,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392375135] [2020-10-27 03:42:48,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:42:48,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:42:48,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675876281] [2020-10-27 03:42:48,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:42:48,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:48,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:42:48,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:42:48,034 INFO L87 Difference]: Start difference. First operand 966 states and 1299 transitions. Second operand 12 states. [2020-10-27 03:42:48,960 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:51,424 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-27 03:42:51,800 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:52,171 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:42:52,544 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:42:53,690 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:42:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:55,508 INFO L93 Difference]: Finished difference Result 1271 states and 1907 transitions. [2020-10-27 03:42:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:42:55,509 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-27 03:42:55,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:55,520 INFO L225 Difference]: With dead ends: 1271 [2020-10-27 03:42:55,520 INFO L226 Difference]: Without dead ends: 1267 [2020-10-27 03:42:55,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:42:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2020-10-27 03:42:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 978. [2020-10-27 03:42:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-10-27 03:42:55,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1327 transitions. [2020-10-27 03:42:55,756 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1327 transitions. Word has length 90 [2020-10-27 03:42:55,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:55,756 INFO L481 AbstractCegarLoop]: Abstraction has 978 states and 1327 transitions. [2020-10-27 03:42:55,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:42:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1327 transitions. [2020-10-27 03:42:55,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 03:42:55,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:55,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:55,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:42:55,763 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:55,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:55,764 INFO L82 PathProgramCache]: Analyzing trace with hash -764864384, now seen corresponding path program 1 times [2020-10-27 03:42:55,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:55,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432356576] [2020-10-27 03:42:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:55,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:55,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:55,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:56,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:42:56,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:42:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 909 [2020-10-27 03:42:56,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 03:42:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 03:42:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,069 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:42:57,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:57,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:57,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:57,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:57,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:57,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:42:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:42:57,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 03:42:57,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 03:42:57,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:57,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 03:42:57,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:57,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:57,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:57,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:57,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:57,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:57,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:57,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:42:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:57,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 03:42:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 03:42:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:42:57,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:42:57,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:57,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:57,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:42:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 03:42:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 03:42:57,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432356576] [2020-10-27 03:42:57,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:57,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:42:57,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877989731] [2020-10-27 03:42:57,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:42:57,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:57,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:42:57,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:42:57,389 INFO L87 Difference]: Start difference. First operand 978 states and 1327 transitions. Second operand 7 states. [2020-10-27 03:42:58,253 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:00,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:00,001 INFO L93 Difference]: Finished difference Result 1646 states and 2145 transitions. [2020-10-27 03:43:00,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:43:00,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-10-27 03:43:00,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:00,013 INFO L225 Difference]: With dead ends: 1646 [2020-10-27 03:43:00,013 INFO L226 Difference]: Without dead ends: 966 [2020-10-27 03:43:00,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:43:00,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2020-10-27 03:43:00,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 870. [2020-10-27 03:43:00,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-10-27 03:43:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1075 transitions. [2020-10-27 03:43:00,220 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1075 transitions. Word has length 122 [2020-10-27 03:43:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:00,220 INFO L481 AbstractCegarLoop]: Abstraction has 870 states and 1075 transitions. [2020-10-27 03:43:00,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:43:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1075 transitions. [2020-10-27 03:43:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 03:43:00,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:00,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:00,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:43:00,226 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:00,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1682984404, now seen corresponding path program 1 times [2020-10-27 03:43:00,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:00,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336941374] [2020-10-27 03:43:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:00,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-27 03:43:01,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:01,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 858 [2020-10-27 03:43:01,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 03:43:01,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:01,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,539 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:01,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 03:43:01,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:01,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:01,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:01,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:43:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:01,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:01,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:43:01,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:43:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:01,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:01,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 03:43:01,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:43:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:43:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:01,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:01,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 03:43:01,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:43:01,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:01,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:01,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:01,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:01,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:01,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:01,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:01,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:01,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:01,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:01,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:01,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:01,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:43:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 03:43:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:43:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 03:43:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:43:01,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336941374] [2020-10-27 03:43:01,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:43:01,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:43:01,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966983222] [2020-10-27 03:43:01,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:43:01,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:01,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:43:01,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:43:01,964 INFO L87 Difference]: Start difference. First operand 870 states and 1075 transitions. Second operand 9 states. [2020-10-27 03:43:02,501 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:03,313 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:05,464 INFO L93 Difference]: Finished difference Result 1589 states and 2039 transitions. [2020-10-27 03:43:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 03:43:05,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-27 03:43:05,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:05,473 INFO L225 Difference]: With dead ends: 1589 [2020-10-27 03:43:05,473 INFO L226 Difference]: Without dead ends: 743 [2020-10-27 03:43:05,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-10-27 03:43:05,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-27 03:43:05,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 597. [2020-10-27 03:43:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-27 03:43:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 716 transitions. [2020-10-27 03:43:05,616 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 716 transitions. Word has length 124 [2020-10-27 03:43:05,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:05,616 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 716 transitions. [2020-10-27 03:43:05,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:43:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 716 transitions. [2020-10-27 03:43:05,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 03:43:05,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:05,621 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, 1, 1, 1, 1, 1] [2020-10-27 03:43:05,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:43:05,622 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:05,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:05,622 INFO L82 PathProgramCache]: Analyzing trace with hash -812864376, now seen corresponding path program 1 times [2020-10-27 03:43:05,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:05,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446991318] [2020-10-27 03:43:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:09,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4338 [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:43:09,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,395 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:10,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 03:43:10,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:43:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:10,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:10,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:10,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:10,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:43:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:10,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:10,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:10,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:10,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:43:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:10,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:10,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 03:43:10,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 03:43:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:10,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 03:43:10,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:10,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:43:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:10,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:10,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:10,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:10,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:10,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:10,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:10,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:10,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:10,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:10,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:10,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:43:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:10,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 03:43:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:10,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:10,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:10,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:10,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 03:43:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:10,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 03:43:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:10,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:10,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:43:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:10,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:10,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:43:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:10,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 03:43:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:10,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:10,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:10,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:10,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 03:43:10,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446991318] [2020-10-27 03:43:10,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:10,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 03:43:10,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568458013] [2020-10-27 03:43:10,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:43:10,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:10,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:43:10,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:43:10,898 INFO L87 Difference]: Start difference. First operand 597 states and 716 transitions. Second operand 11 states. [2020-10-27 03:43:11,829 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2020-10-27 03:43:12,697 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:15,401 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:16,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:16,921 INFO L93 Difference]: Finished difference Result 1126 states and 1414 transitions. [2020-10-27 03:43:16,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:43:16,922 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 135 [2020-10-27 03:43:16,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:16,927 INFO L225 Difference]: With dead ends: 1126 [2020-10-27 03:43:16,928 INFO L226 Difference]: Without dead ends: 722 [2020-10-27 03:43:16,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2020-10-27 03:43:16,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-27 03:43:17,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 644. [2020-10-27 03:43:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-27 03:43:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 763 transitions. [2020-10-27 03:43:17,081 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 763 transitions. Word has length 135 [2020-10-27 03:43:17,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:17,082 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 763 transitions. [2020-10-27 03:43:17,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:43:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 763 transitions. [2020-10-27 03:43:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 03:43:17,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:17,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:17,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:43:17,085 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:17,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1931397599, now seen corresponding path program 1 times [2020-10-27 03:43:17,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:17,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342948117] [2020-10-27 03:43:17,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:17,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:17,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:43:22,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:43:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 03:43:22,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:43:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:43:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:22,527 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:22,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 03:43:22,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:43:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:22,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:22,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:22,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:22,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:22,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:22,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:22,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:22,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:22,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:22,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:22,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:22,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:22,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:22,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:22,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:22,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:22,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:22,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:22,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:22,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:22,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:43:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:22,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:22,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:22,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:43:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:22,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 03:43:22,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 03:43:22,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:22,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:22,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:22,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:23,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 03:43:23,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:43:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:23,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:43:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:23,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:23,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:23,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:23,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:23,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:23,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:23,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:23,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:23,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:23,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:43:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:23,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:23,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 03:43:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:23,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:23,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:23,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:43:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:23,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:43:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:23,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:23,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 03:43:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:23,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:23,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:43:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:23,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:23,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:23,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:23,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:23,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 03:43:23,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342948117] [2020-10-27 03:43:23,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:23,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 03:43:23,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380158596] [2020-10-27 03:43:23,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 03:43:23,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:23,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 03:43:23,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:43:23,250 INFO L87 Difference]: Start difference. First operand 644 states and 763 transitions. Second operand 14 states. [2020-10-27 03:43:23,995 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:24,850 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:25,627 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:26,062 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:26,449 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:26,826 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:29,525 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-27 03:43:30,264 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-27 03:43:30,762 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:32,518 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 208 [2020-10-27 03:43:33,876 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 210 [2020-10-27 03:43:35,649 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 207 [2020-10-27 03:43:36,568 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 207 [2020-10-27 03:43:36,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:36,906 INFO L93 Difference]: Finished difference Result 1844 states and 2356 transitions. [2020-10-27 03:43:36,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 03:43:36,907 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 131 [2020-10-27 03:43:36,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:36,916 INFO L225 Difference]: With dead ends: 1844 [2020-10-27 03:43:36,916 INFO L226 Difference]: Without dead ends: 1409 [2020-10-27 03:43:36,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=312, Invalid=1248, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 03:43:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2020-10-27 03:43:37,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1169. [2020-10-27 03:43:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1169 states. [2020-10-27 03:43:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1355 transitions. [2020-10-27 03:43:37,215 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1355 transitions. Word has length 131 [2020-10-27 03:43:37,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:37,215 INFO L481 AbstractCegarLoop]: Abstraction has 1169 states and 1355 transitions. [2020-10-27 03:43:37,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 03:43:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1355 transitions. [2020-10-27 03:43:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 03:43:37,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:37,218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:37,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:43:37,219 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:37,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:37,219 INFO L82 PathProgramCache]: Analyzing trace with hash 646994938, now seen corresponding path program 1 times [2020-10-27 03:43:37,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:37,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992872267] [2020-10-27 03:43:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 03:43:37,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-27 03:43:37,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 03:43:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:43:37,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,987 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:37,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:43:38,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:38,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:38,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:38,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:38,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:38,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:43:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:38,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:43:38,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:43:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:43:38,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:43:38,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:38,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:43:38,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:43:38,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:38,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:38,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:38,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:43:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:38,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:38,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:38,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:38,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:43:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:38,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 03:43:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 03:43:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:38,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:43:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:38,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:38,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:43:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 03:43:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:38,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:38,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:38,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:38,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:38,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 03:43:38,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992872267] [2020-10-27 03:43:38,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:38,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 03:43:38,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639238159] [2020-10-27 03:43:38,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:43:38,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:38,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:43:38,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:43:38,311 INFO L87 Difference]: Start difference. First operand 1169 states and 1355 transitions. Second operand 10 states. [2020-10-27 03:43:39,671 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:40,082 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:43:40,514 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:40,920 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:42,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:42,277 INFO L93 Difference]: Finished difference Result 2438 states and 2949 transitions. [2020-10-27 03:43:42,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:43:42,279 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 127 [2020-10-27 03:43:42,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:42,286 INFO L225 Difference]: With dead ends: 2438 [2020-10-27 03:43:42,286 INFO L226 Difference]: Without dead ends: 1293 [2020-10-27 03:43:42,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:43:42,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2020-10-27 03:43:42,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1199. [2020-10-27 03:43:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-27 03:43:42,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1386 transitions. [2020-10-27 03:43:42,596 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1386 transitions. Word has length 127 [2020-10-27 03:43:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:42,596 INFO L481 AbstractCegarLoop]: Abstraction has 1199 states and 1386 transitions. [2020-10-27 03:43:42,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:43:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1386 transitions. [2020-10-27 03:43:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 03:43:42,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:42,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:42,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 03:43:42,600 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:42,600 INFO L82 PathProgramCache]: Analyzing trace with hash -495507528, now seen corresponding path program 1 times [2020-10-27 03:43:42,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:42,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318695792] [2020-10-27 03:43:42,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:42,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:42,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:42,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,148 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:43,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:43,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:43:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:43,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:43:43,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:43:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:43,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:43,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:43:43,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:43:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:43,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:43,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:43:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:43,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:43,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:43,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:43,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:43,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:43:43,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 03:43:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:43,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 03:43:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:43:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 03:43:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 03:43:43,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318695792] [2020-10-27 03:43:43,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:43,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:43:43,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353760502] [2020-10-27 03:43:43,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:43:43,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:43,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:43:43,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:43:43,414 INFO L87 Difference]: Start difference. First operand 1199 states and 1386 transitions. Second operand 9 states. [2020-10-27 03:43:44,680 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:45,057 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:45,419 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:46,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:46,508 INFO L93 Difference]: Finished difference Result 2213 states and 2619 transitions. [2020-10-27 03:43:46,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:43:46,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2020-10-27 03:43:46,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:46,515 INFO L225 Difference]: With dead ends: 2213 [2020-10-27 03:43:46,515 INFO L226 Difference]: Without dead ends: 1038 [2020-10-27 03:43:46,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:43:46,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2020-10-27 03:43:46,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 992. [2020-10-27 03:43:46,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2020-10-27 03:43:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1142 transitions. [2020-10-27 03:43:46,764 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1142 transitions. Word has length 127 [2020-10-27 03:43:46,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:46,764 INFO L481 AbstractCegarLoop]: Abstraction has 992 states and 1142 transitions. [2020-10-27 03:43:46,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:43:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1142 transitions. [2020-10-27 03:43:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 03:43:46,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:46,768 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:46,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 03:43:46,768 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:46,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:46,769 INFO L82 PathProgramCache]: Analyzing trace with hash -866899173, now seen corresponding path program 1 times [2020-10-27 03:43:46,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:46,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275819887] [2020-10-27 03:43:46,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:43:46,811 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:43:46,811 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:43:46,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 03:43:46,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:43:46 BoogieIcfgContainer [2020-10-27 03:43:46,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:43:46,848 INFO L168 Benchmark]: Toolchain (without parser) took 109318.51 ms. Allocated memory was 165.7 MB in the beginning and 828.4 MB in the end (delta: 662.7 MB). Free memory was 139.3 MB in the beginning and 690.5 MB in the end (delta: -551.2 MB). Peak memory consumption was 112.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:46,848 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 165.7 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:43:46,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.57 ms. Allocated memory is still 165.7 MB. Free memory was 138.7 MB in the beginning and 117.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:46,849 INFO L168 Benchmark]: Boogie Preprocessor took 118.81 ms. Allocated memory is still 165.7 MB. Free memory was 117.6 MB in the beginning and 113.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:46,850 INFO L168 Benchmark]: RCFGBuilder took 1464.74 ms. Allocated memory is still 165.7 MB. Free memory was 113.6 MB in the beginning and 60.8 MB in the end (delta: 52.7 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:46,851 INFO L168 Benchmark]: TraceAbstraction took 107136.79 ms. Allocated memory was 165.7 MB in the beginning and 828.4 MB in the end (delta: 662.7 MB). Free memory was 60.3 MB in the beginning and 690.5 MB in the end (delta: -630.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:46,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 165.7 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 584.57 ms. Allocated memory is still 165.7 MB. Free memory was 138.7 MB in the beginning and 117.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.81 ms. Allocated memory is still 165.7 MB. Free memory was 117.6 MB in the beginning and 113.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1464.74 ms. Allocated memory is still 165.7 MB. Free memory was 113.6 MB in the beginning and 60.8 MB in the end (delta: 52.7 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 107136.79 ms. Allocated memory was 165.7 MB in the beginning and 828.4 MB in the end (delta: 662.7 MB). Free memory was 60.3 MB in the beginning and 690.5 MB in the end (delta: -630.2 MB). Peak memory consumption was 32.5 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: [L240] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L557] int pumpRunning = 0; [L558] int systemActive = 1; [L759] int cleanupTimeShifts = 4; [L855] int waterLevel = 1; [L856] int methaneLevelCritical = 0; [L832] int retValue_acc ; [L833] int tmp ; [L837] FCALL select_helpers() [L838] FCALL select_features() [L839] CALL, EXPR valid_product() [L466] int retValue_acc ; [L469] retValue_acc = 1 [L470] return (retValue_acc); [L839] RET, EXPR valid_product() [L839] tmp = valid_product() [L841] COND TRUE \read(tmp) [L843] FCALL setup() [L844] CALL runTest() [L826] CALL test() [L482] int splverifierCounter ; [L483] int tmp ; [L484] int tmp___0 ; [L485] int tmp___1 ; [L486] int tmp___2 ; [L489] splverifierCounter = 0 [L491] COND TRUE 1 [L493] COND TRUE splverifierCounter < 4 [L499] tmp = __VERIFIER_nondet_int() [L501] COND TRUE \read(tmp) [L503] CALL waterRise() [L873] COND TRUE waterLevel < 2 [L874] waterLevel = waterLevel + 1 [L503] RET waterRise() [L509] tmp___0 = __VERIFIER_nondet_int() [L511] COND FALSE !(\read(tmp___0)) [L519] tmp___2 = __VERIFIER_nondet_int() [L521] COND FALSE !(\read(tmp___2)) [L527] tmp___1 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___1)) [L538] CALL timeShift() [L564] COND FALSE !(\read(pumpRunning)) [L571] COND TRUE \read(systemActive) [L573] CALL processEnvironment() [L593] int tmp ; [L596] COND TRUE ! pumpRunning [L598] CALL, EXPR isHighWaterLevel() [L708] int retValue_acc ; [L709] int tmp ; [L710] int tmp___0 ; [L714] CALL, EXPR isHighWaterSensorDry() [L935] int retValue_acc ; [L938] COND FALSE !(waterLevel < 2) [L942] retValue_acc = 0 [L943] return (retValue_acc); [L714] RET, EXPR isHighWaterSensorDry() [L714] tmp = isHighWaterSensorDry() [L716] COND FALSE !(\read(tmp)) [L719] tmp___0 = 1 [L721] retValue_acc = tmp___0 [L722] return (retValue_acc); [L598] RET, EXPR isHighWaterLevel() [L598] tmp = isHighWaterLevel() [L600] COND TRUE \read(tmp) [L602] CALL activatePump() [L627] int tmp ; [L631] CALL, EXPR isMethaneAlarm() [L652] int retValue_acc ; [L656] CALL, EXPR isMethaneLevelCritical() [L894] int retValue_acc ; [L897] retValue_acc = methaneLevelCritical [L898] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() [L656] retValue_acc = isMethaneLevelCritical() [L658] return (retValue_acc); [L631] RET, EXPR isMethaneAlarm() [L631] tmp = isMethaneAlarm() [L633] COND FALSE !(\read(tmp)) [L637] CALL activatePump__wrappee__highWaterSensor() [L621] pumpRunning = 1 [L637] RET activatePump__wrappee__highWaterSensor() [L602] RET activatePump() [L573] RET processEnvironment() [L579] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L926] int retValue_acc ; [L929] retValue_acc = waterLevel [L930] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND FALSE !(tmp == 0) [L579] RET __utac_acc__Specification4_spec__1() [L538] RET timeShift() [L491] COND TRUE 1 [L493] COND TRUE splverifierCounter < 4 [L499] tmp = __VERIFIER_nondet_int() [L501] COND FALSE !(\read(tmp)) [L509] tmp___0 = __VERIFIER_nondet_int() [L511] COND FALSE !(\read(tmp___0)) [L519] tmp___2 = __VERIFIER_nondet_int() [L521] COND FALSE !(\read(tmp___2)) [L527] tmp___1 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___1)) [L538] CALL timeShift() [L564] COND TRUE \read(pumpRunning) [L566] CALL lowerWaterLevel() [L861] COND TRUE waterLevel > 0 [L862] waterLevel = waterLevel - 1 [L566] RET lowerWaterLevel() [L571] COND TRUE \read(systemActive) [L573] CALL processEnvironment() [L593] int tmp ; [L596] COND FALSE !(! pumpRunning) [L611] FCALL processEnvironment__wrappee__base() [L573] RET processEnvironment() [L579] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L926] int retValue_acc ; [L929] retValue_acc = waterLevel [L930] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND FALSE !(tmp == 0) [L579] RET __utac_acc__Specification4_spec__1() [L538] RET timeShift() [L491] COND TRUE 1 [L493] COND TRUE splverifierCounter < 4 [L499] tmp = __VERIFIER_nondet_int() [L501] COND FALSE !(\read(tmp)) [L509] tmp___0 = __VERIFIER_nondet_int() [L511] COND FALSE !(\read(tmp___0)) [L519] tmp___2 = __VERIFIER_nondet_int() [L521] COND FALSE !(\read(tmp___2)) [L527] tmp___1 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___1)) [L538] CALL timeShift() [L564] COND TRUE \read(pumpRunning) [L566] CALL lowerWaterLevel() [L861] COND TRUE waterLevel > 0 [L862] waterLevel = waterLevel - 1 [L566] RET lowerWaterLevel() [L571] COND TRUE \read(systemActive) [L573] CALL processEnvironment() [L593] int tmp ; [L596] COND FALSE !(! pumpRunning) [L611] FCALL processEnvironment__wrappee__base() [L573] RET processEnvironment() [L579] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L926] int retValue_acc ; [L929] retValue_acc = waterLevel [L930] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND TRUE tmp == 0 [L55] CALL, EXPR isPumpRunning() [L663] int retValue_acc ; [L666] retValue_acc = pumpRunning [L667] return (retValue_acc); [L55] RET, EXPR isPumpRunning() [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) [L59] CALL __automaton_fail() [L754] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product44.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 244 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 107.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 61.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1584 SDtfs, 4777 SDslu, 2051 SDs, 0 SdLazy, 10651 SolverSat, 3489 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 26.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1199occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1679 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 42.0s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1258 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1080 ConstructedInterpolants, 0 QuantifiedInterpolants, 423880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 145/165 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...