/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/recursive/Ackermann04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:56:12,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:56:12,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:56:12,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:56:12,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:56:12,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:56:12,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:56:12,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:56:12,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:56:12,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:56:12,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:56:12,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:56:12,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:56:12,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:56:12,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:56:12,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:56:12,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:56:12,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:56:12,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:56:12,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:56:12,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:56:12,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:56:12,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:56:12,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:56:12,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:56:12,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:56:12,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:56:12,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:56:12,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:56:12,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:56:12,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:56:12,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:56:12,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:56:12,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:56:12,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:56:12,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:56:12,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:56:12,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:56:12,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:56:12,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:56:12,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:56:12,589 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 03:56:12,622 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:56:12,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:56:12,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:56:12,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:56:12,624 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:56:12,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:56:12,625 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:56:12,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:56:12,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:56:12,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:56:12,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:56:12,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:56:12,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:56:12,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:56:12,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:56:12,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:56:12,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:56:12,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:56:12,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:56:12,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:56:12,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:56:12,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:56:12,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:56:12,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:56:12,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:56:12,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:56:12,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:56:12,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:56:12,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:56:12,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:56:12,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:56:13,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:56:13,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:56:13,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:56:13,017 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:56:13,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann04.c [2020-10-27 03:56:13,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e446c78/e05dabca471042b8a629ff71b51d7dee/FLAG2f851159a [2020-10-27 03:56:13,692 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:56:13,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Ackermann04.c [2020-10-27 03:56:13,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e446c78/e05dabca471042b8a629ff71b51d7dee/FLAG2f851159a [2020-10-27 03:56:14,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e446c78/e05dabca471042b8a629ff71b51d7dee [2020-10-27 03:56:14,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:56:14,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:56:14,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:56:14,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:56:14,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:56:14,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa28a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14, skipping insertion in model container [2020-10-27 03:56:14,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:56:14,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:56:14,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:56:14,313 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:56:14,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:56:14,343 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:56:14,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14 WrapperNode [2020-10-27 03:56:14,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:56:14,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:56:14,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:56:14,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:56:14,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... [2020-10-27 03:56:14,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:56:14,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:56:14,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:56:14,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:56:14,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:56:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:56:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:56:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:56:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2020-10-27 03:56:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:56:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:56:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:56:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:56:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:56:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:56:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2020-10-27 03:56:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:56:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:56:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:56:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:56:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:56:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:56:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:56:14,942 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:56:14,942 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 03:56:14,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:56:14 BoogieIcfgContainer [2020-10-27 03:56:14,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:56:14,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:56:14,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:56:14,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:56:14,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:56:14" (1/3) ... [2020-10-27 03:56:14,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9ef255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:56:14, skipping insertion in model container [2020-10-27 03:56:14,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:14" (2/3) ... [2020-10-27 03:56:14,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9ef255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:56:14, skipping insertion in model container [2020-10-27 03:56:14,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:56:14" (3/3) ... [2020-10-27 03:56:14,957 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann04.c [2020-10-27 03:56:14,970 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:56:14,975 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 03:56:14,989 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 03:56:15,028 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:56:15,028 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:56:15,028 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:56:15,028 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:56:15,028 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:56:15,029 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:56:15,029 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:56:15,029 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:56:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-10-27 03:56:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-27 03:56:15,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:15,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:15,061 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:15,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:15,070 INFO L82 PathProgramCache]: Analyzing trace with hash 192942640, now seen corresponding path program 1 times [2020-10-27 03:56:15,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:15,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268961531] [2020-10-27 03:56:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:15,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:15,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:15,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:15,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-27 03:56:15,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:56:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 03:56:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:56:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:56:15,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:15,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:15,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:15,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:15,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:56:15,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:15,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:15,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:56:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:15,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:15,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:15,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:15,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:56:15,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:15,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:56:15,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:15,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:56:15,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268961531] [2020-10-27 03:56:15,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:56:15,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 03:56:15,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095729765] [2020-10-27 03:56:15,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:56:15,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:15,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:56:15,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:56:15,844 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 6 states. [2020-10-27 03:56:16,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:16,163 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-10-27 03:56:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:56:16,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-27 03:56:16,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:16,176 INFO L225 Difference]: With dead ends: 61 [2020-10-27 03:56:16,176 INFO L226 Difference]: Without dead ends: 30 [2020-10-27 03:56:16,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:56:16,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-27 03:56:16,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-27 03:56:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-27 03:56:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-27 03:56:16,231 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 17 [2020-10-27 03:56:16,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:16,231 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-27 03:56:16,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:56:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-27 03:56:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 03:56:16,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:16,235 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:16,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:56:16,235 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:16,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:16,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1691639833, now seen corresponding path program 1 times [2020-10-27 03:56:16,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:16,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139578850] [2020-10-27 03:56:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:16,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:16,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:16,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:16,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:16,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:16,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-27 03:56:16,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:16,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:56:16,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 03:56:16,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:56:16,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 03:56:16,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:16,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:16,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:16,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:56:16,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:16,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:16,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:56:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:16,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:16,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:16,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:16,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:16,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:56:16,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:56:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:16,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:16,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:16,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:16,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:16,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:16,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:16,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:56:16,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:56:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:56:16,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 03:56:16,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139578850] [2020-10-27 03:56:16,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:16,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 03:56:16,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407901622] [2020-10-27 03:56:16,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:56:16,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:16,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:56:16,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:56:16,837 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 6 states. [2020-10-27 03:56:17,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:17,094 INFO L93 Difference]: Finished difference Result 55 states and 80 transitions. [2020-10-27 03:56:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:56:17,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-27 03:56:17,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:17,097 INFO L225 Difference]: With dead ends: 55 [2020-10-27 03:56:17,097 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 03:56:17,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:56:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 03:56:17,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 03:56:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 03:56:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2020-10-27 03:56:17,110 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 24 [2020-10-27 03:56:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:17,111 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2020-10-27 03:56:17,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:56:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2020-10-27 03:56:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-27 03:56:17,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:17,114 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-10-27 03:56:17,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:56:17,114 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:17,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:17,115 INFO L82 PathProgramCache]: Analyzing trace with hash 936683835, now seen corresponding path program 1 times [2020-10-27 03:56:17,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:17,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998845212] [2020-10-27 03:56:17,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:17,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:17,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:17,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:18,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:18,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 03:56:18,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:56:18,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-27 03:56:18,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:18,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:18,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 03:56:18,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:18,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:18,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:18,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:18,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:18,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:18,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:18,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:18,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:56:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:18,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:18,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:18,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:18,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:56:18,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:18,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-27 03:56:18,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:18,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 03:56:18,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:18,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:18,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:18,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:18,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:18,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:56:18,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:18,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:56:18,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:18,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:56:18,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:18,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:18,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:18,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:18,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:18,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:18,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:56:18,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:18,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:56:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:18,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:18,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:18,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:18,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:56:18,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:18,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:18,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 03:56:18,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998845212] [2020-10-27 03:56:18,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:18,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 03:56:18,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289519157] [2020-10-27 03:56:18,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:56:18,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:18,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:56:18,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:56:18,599 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand 8 states. [2020-10-27 03:56:18,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:18,960 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2020-10-27 03:56:18,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 03:56:18,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2020-10-27 03:56:18,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:18,964 INFO L225 Difference]: With dead ends: 50 [2020-10-27 03:56:18,964 INFO L226 Difference]: Without dead ends: 45 [2020-10-27 03:56:18,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:56:18,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-27 03:56:18,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-27 03:56:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-27 03:56:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 67 transitions. [2020-10-27 03:56:18,980 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 67 transitions. Word has length 37 [2020-10-27 03:56:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:18,980 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 67 transitions. [2020-10-27 03:56:18,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:56:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2020-10-27 03:56:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 03:56:18,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:18,984 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:18,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:56:18,984 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:18,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:18,985 INFO L82 PathProgramCache]: Analyzing trace with hash -239584131, now seen corresponding path program 2 times [2020-10-27 03:56:18,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:18,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384535157] [2020-10-27 03:56:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:19,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:21,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:21,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 03:56:21,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:21,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2447 [2020-10-27 03:56:21,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 03:56:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 03:56:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:21,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:21,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:21,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:21,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:21,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:56:21,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:21,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:56:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:21,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:21,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:56:22,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:22,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1213 [2020-10-27 03:56:22,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 03:56:22,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:56:22,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:22,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 03:56:22,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:56:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:22,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:56:22,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:22,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:56:22,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:56:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 03:56:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:22,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:22,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:22,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:56:22,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:22,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:22,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:22,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:56:22,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:22,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:56:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:22,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:56:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:56:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:22,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:22,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:56:22,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:56:22,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:56:22,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:22,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:22,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:22,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:22,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:56:22,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:22,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:22,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:22,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:22,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-27 03:56:22,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384535157] [2020-10-27 03:56:22,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:22,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 03:56:22,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70061808] [2020-10-27 03:56:22,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:56:22,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:22,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:56:22,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:56:22,995 INFO L87 Difference]: Start difference. First operand 45 states and 67 transitions. Second operand 8 states. [2020-10-27 03:56:23,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:23,361 INFO L93 Difference]: Finished difference Result 75 states and 127 transitions. [2020-10-27 03:56:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:56:23,361 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-27 03:56:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:23,365 INFO L225 Difference]: With dead ends: 75 [2020-10-27 03:56:23,365 INFO L226 Difference]: Without dead ends: 70 [2020-10-27 03:56:23,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:56:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-27 03:56:23,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-10-27 03:56:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-27 03:56:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 120 transitions. [2020-10-27 03:56:23,401 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 120 transitions. Word has length 64 [2020-10-27 03:56:23,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:23,403 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 120 transitions. [2020-10-27 03:56:23,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:56:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2020-10-27 03:56:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 03:56:23,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:23,414 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:23,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:56:23,415 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash -687012994, now seen corresponding path program 3 times [2020-10-27 03:56:23,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:23,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758197795] [2020-10-27 03:56:23,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:23,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:23,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:27,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 03:56:27,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4468 [2020-10-27 03:56:27,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-27 03:56:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:56:27,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:27,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:27,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:27,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:27,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:27,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:56:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:56:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:28,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 03:56:30,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2627 [2020-10-27 03:56:30,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:30,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 03:56:30,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:56:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:56:30,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-27 03:56:30,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 03:56:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:56:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:56:30,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 03:56:30,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:56:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:56:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:56:31,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 03:56:31,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 03:56:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:31,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:56:31,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:31,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:56:31,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:31,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:56:31,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:31,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:56:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:31,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:56:31,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:31,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:31,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:56:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:31,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:56:31,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:56:31,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:56:31,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:56:31,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:31,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:56:31,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:56:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:56:31,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 03:56:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:31,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:31,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 03:56:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:31,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:56:31,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:31,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 71 proven. 76 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-27 03:56:31,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758197795] [2020-10-27 03:56:31,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:31,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 03:56:31,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278769510] [2020-10-27 03:56:31,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 03:56:31,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:31,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 03:56:31,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:56:31,283 INFO L87 Difference]: Start difference. First operand 68 states and 120 transitions. Second operand 14 states. [2020-10-27 03:56:32,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:32,327 INFO L93 Difference]: Finished difference Result 186 states and 512 transitions. [2020-10-27 03:56:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:56:32,328 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 84 [2020-10-27 03:56:32,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:32,334 INFO L225 Difference]: With dead ends: 186 [2020-10-27 03:56:32,335 INFO L226 Difference]: Without dead ends: 127 [2020-10-27 03:56:32,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:56:32,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-27 03:56:32,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 111. [2020-10-27 03:56:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-27 03:56:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 269 transitions. [2020-10-27 03:56:32,375 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 269 transitions. Word has length 84 [2020-10-27 03:56:32,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:32,376 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 269 transitions. [2020-10-27 03:56:32,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 03:56:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 269 transitions. [2020-10-27 03:56:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-27 03:56:32,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:32,384 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 19, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:32,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:56:32,385 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:32,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:32,385 INFO L82 PathProgramCache]: Analyzing trace with hash -494882831, now seen corresponding path program 4 times [2020-10-27 03:56:32,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:32,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902085084] [2020-10-27 03:56:32,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:32,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:33,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:35,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:37,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-27 03:56:37,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 03:56:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 03:56:37,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:56:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-27 03:56:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:56:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:37,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:37,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:37,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:37,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:37,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:56:37,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:37,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:37,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:56:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:37,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:38,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:39,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:39,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:41,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:42,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-27 03:56:42,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 03:56:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 03:56:42,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 03:56:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:56:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 03:56:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:42,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:43,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:43,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:44,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:44,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:44,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:44,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:44,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:47,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 03:56:47,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 03:56:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:56:47,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:47,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 03:56:47,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:56:47,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 03:56:47,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:47,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:47,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:47,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:56:47,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:47,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-27 03:56:47,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:56:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:56:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:47,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:48,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:56:48,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:48,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 03:56:48,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 03:56:48,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:48,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:48,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:48,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:48,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:56:48,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:48,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:48,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:48,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:48,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:56:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:56:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:48,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:48,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:48,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:56:48,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:56:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:56:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:56:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:48,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 03:56:53,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 03:56:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 03:56:53,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:56:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:56:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 03:56:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:56:53,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:56:53,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:56:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 03:56:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:53,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:53,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:56:53,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:53,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:56:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:56:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:53,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:53,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:56:53,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:53,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:56:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:58,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 03:56:58,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 03:56:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 03:56:58,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:56:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:56:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:56:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:58,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:58,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:58,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:58,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:56:58,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:58,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:58,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:58,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:58,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:58,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:56:58,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:58,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:56:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:58,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:03,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:57:03,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 03:57:03,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 03:57:03,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:57:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:57:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 03:57:03,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:03,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:03,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:03,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:03,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:03,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:03,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:03,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:57:03,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:03,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:03,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:03,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:03,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:03,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:03,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:03,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:03,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:03,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:57:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-27 03:57:03,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 03:57:03,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:03,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:03,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:03,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:03,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:03,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:03,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:57:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:03,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:57:03,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:03,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:03,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:03,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:03,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:03,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:03,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:03,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:03,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:03,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:04,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 03:57:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:04,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:04,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:04,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:04,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:04,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:04,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:04,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:05,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:05,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:57:05,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:57:05,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1183 [2020-10-27 03:57:05,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:57:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:57:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 03:57:05,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:05,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:05,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:05,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:05,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:05,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:06,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:57:06,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:57:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1563 [2020-10-27 03:57:06,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:57:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:57:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:57:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:06,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:06,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:06,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:57:06,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:06,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:06,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:06,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:06,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:06,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:57:06,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:06,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:06,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:06,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:06,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:06,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:07,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:07,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:07,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:07,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:57:07,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-10-27 03:57:07,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:57:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:57:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 03:57:07,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:07,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:07,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:07,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:07,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:07,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:07,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:07,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:07,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:57:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:07,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:07,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:07,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:07,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:57:07,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:07,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:07,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:07,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:07,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:07,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:57:07,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:07,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 839 proven. 566 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2020-10-27 03:57:07,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902085084] [2020-10-27 03:57:07,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:07,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 03:57:07,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153481189] [2020-10-27 03:57:07,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:57:07,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:07,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:57:07,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:57:07,439 INFO L87 Difference]: Start difference. First operand 111 states and 269 transitions. Second operand 16 states. [2020-10-27 03:57:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:08,658 INFO L93 Difference]: Finished difference Result 201 states and 604 transitions. [2020-10-27 03:57:08,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:57:08,661 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 210 [2020-10-27 03:57:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:08,665 INFO L225 Difference]: With dead ends: 201 [2020-10-27 03:57:08,665 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 03:57:08,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 72 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2020-10-27 03:57:08,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 03:57:08,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-27 03:57:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 03:57:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 141 transitions. [2020-10-27 03:57:08,697 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 141 transitions. Word has length 210 [2020-10-27 03:57:08,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:08,698 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 141 transitions. [2020-10-27 03:57:08,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:57:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2020-10-27 03:57:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 03:57:08,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:08,700 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:08,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:57:08,700 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:08,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:08,701 INFO L82 PathProgramCache]: Analyzing trace with hash 707686796, now seen corresponding path program 5 times [2020-10-27 03:57:08,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:08,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898050277] [2020-10-27 03:57:08,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:09,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 599 [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 03:57:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:09,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:09,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:09,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:09,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:09,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:09,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:09,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:57:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:09,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:09,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:09,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 03:57:09,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:09,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-27 03:57:09,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 03:57:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 03:57:09,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:09,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:09,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 03:57:10,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-27 03:57:10,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 03:57:10,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 03:57:10,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:57:10,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 03:57:10,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:10,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:57:10,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:10,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 03:57:10,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 03:57:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:10,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:10,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:57:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:10,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:10,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:10,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:10,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:57:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:10,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:57:10,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:57:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 03:57:10,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:57:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:10,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:10,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:10,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 03:57:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 03:57:10,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:57:10,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-27 03:57:10,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:10,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:57:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:10,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:10,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:10,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:10,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:10,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:10,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:10,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:57:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:10,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:10,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:10,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:10,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:10,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:10,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 116 proven. 279 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2020-10-27 03:57:10,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898050277] [2020-10-27 03:57:10,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:10,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:57:10,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096756891] [2020-10-27 03:57:10,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:57:10,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:10,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:57:10,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:57:10,649 INFO L87 Difference]: Start difference. First operand 86 states and 141 transitions. Second operand 15 states. [2020-10-27 03:57:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:12,036 INFO L93 Difference]: Finished difference Result 157 states and 276 transitions. [2020-10-27 03:57:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 03:57:12,037 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2020-10-27 03:57:12,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:12,039 INFO L225 Difference]: With dead ends: 157 [2020-10-27 03:57:12,039 INFO L226 Difference]: Without dead ends: 89 [2020-10-27 03:57:12,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=230, Invalid=826, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 03:57:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-27 03:57:12,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2020-10-27 03:57:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 03:57:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 133 transitions. [2020-10-27 03:57:12,058 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 133 transitions. Word has length 136 [2020-10-27 03:57:12,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:12,059 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 133 transitions. [2020-10-27 03:57:12,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:57:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2020-10-27 03:57:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 03:57:12,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:12,061 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:12,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:57:12,061 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:12,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:12,062 INFO L82 PathProgramCache]: Analyzing trace with hash 44576270, now seen corresponding path program 6 times [2020-10-27 03:57:12,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:12,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928718565] [2020-10-27 03:57:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:12,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 03:57:17,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:57:17,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 03:57:17,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-27 03:57:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:57:17,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:17,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:17,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:57:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 03:57:22,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:57:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:57:22,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 03:57:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:57:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:57:22,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:22,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 03:57:22,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 03:57:22,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:22,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:57:22,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:57:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:22,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:22,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:22,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:22,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:22,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:57:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:22,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 03:57:22,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:57:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:57:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 03:57:22,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:22,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:22,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 03:57:22,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:22,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 03:57:22,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:23,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:23,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:57:23,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:23,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:23,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:23,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:23,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:23,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:23,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 03:57:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:23,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:57:23,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-27 03:57:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:23,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:23,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:23,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:23,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:23,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:23,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:23,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:23,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:23,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:23,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:23,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:23,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:23,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 145 proven. 297 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2020-10-27 03:57:23,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928718565] [2020-10-27 03:57:23,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:23,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 03:57:23,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195122454] [2020-10-27 03:57:23,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:57:23,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:23,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:57:23,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:57:23,288 INFO L87 Difference]: Start difference. First operand 86 states and 133 transitions. Second operand 16 states. [2020-10-27 03:57:24,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:24,776 INFO L93 Difference]: Finished difference Result 172 states and 295 transitions. [2020-10-27 03:57:24,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 03:57:24,777 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2020-10-27 03:57:24,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:24,783 INFO L225 Difference]: With dead ends: 172 [2020-10-27 03:57:24,783 INFO L226 Difference]: Without dead ends: 104 [2020-10-27 03:57:24,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=287, Invalid=1045, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 03:57:24,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-27 03:57:24,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2020-10-27 03:57:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-27 03:57:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2020-10-27 03:57:24,829 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 136 [2020-10-27 03:57:24,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:24,830 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2020-10-27 03:57:24,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:57:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2020-10-27 03:57:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 03:57:24,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:24,838 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:24,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:57:24,838 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:24,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:24,842 INFO L82 PathProgramCache]: Analyzing trace with hash 817501940, now seen corresponding path program 7 times [2020-10-27 03:57:24,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:24,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144235480] [2020-10-27 03:57:24,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:25,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:25,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 03:57:25,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:25,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-10-27 03:57:25,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:25,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:57:25,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 03:57:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:25,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:25,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:25,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:25,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:25,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:25,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:25,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:25,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:57:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:25,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:26,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:26,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:26,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:26,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 03:57:27,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-27 03:57:27,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 03:57:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:57:27,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:27,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:27,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:27,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:27,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:27,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:27,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:27,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:27,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:27,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:27,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:27,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:27,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:27,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:57:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 03:57:27,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-27 03:57:27,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:27,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 03:57:27,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:27,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 03:57:27,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 03:57:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:27,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 03:57:27,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 03:57:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:27,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:57:27,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:57:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:27,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:27,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:28,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:28,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:28,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:57:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:28,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 03:57:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 03:57:28,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 03:57:28,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:57:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:57:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 03:57:28,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 03:57:28,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:28,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:57:28,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:28,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 03:57:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:28,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:57:28,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:28,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:28,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:28,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:28,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:57:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:28,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 431 proven. 298 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2020-10-27 03:57:28,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144235480] [2020-10-27 03:57:28,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:28,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 03:57:28,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595983586] [2020-10-27 03:57:28,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 03:57:28,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:28,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 03:57:28,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-10-27 03:57:28,471 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand 22 states. [2020-10-27 03:57:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:32,286 INFO L93 Difference]: Finished difference Result 260 states and 472 transitions. [2020-10-27 03:57:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-27 03:57:32,287 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 162 [2020-10-27 03:57:32,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:32,295 INFO L225 Difference]: With dead ends: 260 [2020-10-27 03:57:32,295 INFO L226 Difference]: Without dead ends: 175 [2020-10-27 03:57:32,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=938, Invalid=3892, Unknown=0, NotChecked=0, Total=4830 [2020-10-27 03:57:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-27 03:57:32,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 141. [2020-10-27 03:57:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-27 03:57:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 222 transitions. [2020-10-27 03:57:32,346 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 222 transitions. Word has length 162 [2020-10-27 03:57:32,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:32,348 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 222 transitions. [2020-10-27 03:57:32,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 03:57:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 222 transitions. [2020-10-27 03:57:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-27 03:57:32,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:32,353 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 14, 11, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:32,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:57:32,354 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:32,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:32,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1916267924, now seen corresponding path program 8 times [2020-10-27 03:57:32,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:32,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785128475] [2020-10-27 03:57:32,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:33,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:33,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 03:57:33,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165 [2020-10-27 03:57:33,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:57:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 03:57:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 03:57:33,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:33,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:33,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:33,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:33,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:33,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:57:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:33,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-27 03:57:34,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 929 [2020-10-27 03:57:34,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:57:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 03:57:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 03:57:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:34,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 03:57:34,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-27 03:57:34,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 03:57:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:34,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:57:34,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:34,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:34,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:34,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:34,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:34,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:34,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:34,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:34,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:34,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:57:34,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:34,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:34,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:34,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:34,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:57:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 03:57:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:35,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 03:57:35,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 03:57:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:35,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:57:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 03:57:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:57:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:35,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:35,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:35,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:35,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:35,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:57:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 03:57:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:57:35,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 03:57:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 03:57:35,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:35,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 03:57:35,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 03:57:35,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:57:35,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 03:57:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:35,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:57:35,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:35,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:35,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:35,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:57:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:35,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:35,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 03:57:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 498 proven. 378 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2020-10-27 03:57:35,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785128475] [2020-10-27 03:57:35,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:35,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 03:57:35,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557998749] [2020-10-27 03:57:35,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 03:57:35,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:35,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 03:57:35,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2020-10-27 03:57:35,990 INFO L87 Difference]: Start difference. First operand 141 states and 222 transitions. Second operand 23 states. [2020-10-27 03:57:38,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:38,892 INFO L93 Difference]: Finished difference Result 309 states and 554 transitions. [2020-10-27 03:57:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 03:57:38,894 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 175 [2020-10-27 03:57:38,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:38,899 INFO L225 Difference]: With dead ends: 309 [2020-10-27 03:57:38,899 INFO L226 Difference]: Without dead ends: 181 [2020-10-27 03:57:38,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=675, Invalid=2865, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 03:57:38,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-27 03:57:38,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 156. [2020-10-27 03:57:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-27 03:57:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 255 transitions. [2020-10-27 03:57:38,929 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 255 transitions. Word has length 175 [2020-10-27 03:57:38,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:38,930 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 255 transitions. [2020-10-27 03:57:38,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 03:57:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 255 transitions. [2020-10-27 03:57:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-27 03:57:38,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:38,933 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 15, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:38,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 03:57:38,933 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:38,934 INFO L82 PathProgramCache]: Analyzing trace with hash 282891340, now seen corresponding path program 9 times [2020-10-27 03:57:38,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:38,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552097781] [2020-10-27 03:57:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:40,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:40,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 03:57:40,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:40,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1402 [2020-10-27 03:57:40,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:40,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 03:57:40,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-27 03:57:40,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 03:57:40,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:40,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:40,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:40,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 03:57:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:40,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 03:57:41,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1160 [2020-10-27 03:57:41,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:57:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-10-27 03:57:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 03:57:41,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:57:41,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:57:41,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:41,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:41,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:41,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:41,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:41,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:41,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:41,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:41,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:57:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 03:57:41,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:57:41,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:41,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:57:41,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:41,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:41,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:41,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:41,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:57:41,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:41,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:41,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:41,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:41,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:57:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 03:57:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 03:57:42,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-27 03:57:42,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:57:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 03:57:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:42,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:57:42,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-27 03:57:42,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:57:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 03:57:42,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:42,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 03:57:42,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-27 03:57:42,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 03:57:42,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:42,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:57:42,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 03:57:42,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 03:57:42,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 03:57:43,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 03:57:43,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 03:57:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:43,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:43,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:57:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:43,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:43,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:43,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:57:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:43,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:43,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:43,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 03:57:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:43,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:43,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:57:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:43,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:43,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:43,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 03:57:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:43,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:43,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:43,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 03:57:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:43,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:43,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:43,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:43,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 684 proven. 78 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2020-10-27 03:57:43,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552097781] [2020-10-27 03:57:43,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:43,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 03:57:43,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197154870] [2020-10-27 03:57:43,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 03:57:43,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:43,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 03:57:43,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:57:43,459 INFO L87 Difference]: Start difference. First operand 156 states and 255 transitions. Second operand 27 states. [2020-10-27 03:57:47,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:47,006 INFO L93 Difference]: Finished difference Result 274 states and 455 transitions. [2020-10-27 03:57:47,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 03:57:47,006 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 188 [2020-10-27 03:57:47,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:47,008 INFO L225 Difference]: With dead ends: 274 [2020-10-27 03:57:47,008 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:57:47,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=816, Invalid=3740, Unknown=0, NotChecked=0, Total=4556 [2020-10-27 03:57:47,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:57:47,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:57:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:57:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:57:47,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2020-10-27 03:57:47,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:47,014 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:57:47,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 03:57:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:57:47,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:57:47,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 03:57:47,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:57:47,582 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-10-27 03:57:51,075 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 10 [2020-10-27 03:57:52,729 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 166 DAG size of output: 38 [2020-10-27 03:57:52,989 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 9 [2020-10-27 03:57:53,044 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 03:57:53,044 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 03:57:53,044 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 03:57:53,044 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 03:57:53,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:57:53,045 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 03:57:53,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:57:53,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:57:53,045 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 03:57:53,045 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 03:57:53,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:57:53,045 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 27 47) the Hoare annotation is: true [2020-10-27 03:57:53,045 INFO L274 CegarLoopResult]: For program point L29(lines 29 33) no Hoare annotation was computed. [2020-10-27 03:57:53,045 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 27 47) no Hoare annotation was computed. [2020-10-27 03:57:53,045 INFO L270 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: false [2020-10-27 03:57:53,046 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 27 47) no Hoare annotation was computed. [2020-10-27 03:57:53,046 INFO L274 CegarLoopResult]: For program point L45-1(line 45) no Hoare annotation was computed. [2020-10-27 03:57:53,046 INFO L274 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-10-27 03:57:53,046 INFO L277 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: true [2020-10-27 03:57:53,046 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-27 03:57:53,046 INFO L274 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2020-10-27 03:57:53,046 INFO L274 CegarLoopResult]: For program point ackermannEXIT(lines 16 24) no Hoare annotation was computed. [2020-10-27 03:57:53,046 INFO L270 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (not (= |ackermann_#in~m| 0))) [2020-10-27 03:57:53,046 INFO L274 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-10-27 03:57:53,046 INFO L277 CegarLoopResult]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2020-10-27 03:57:53,046 INFO L270 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2020-10-27 03:57:53,047 INFO L270 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse5 (<= ackermann_~n |ackermann_#in~n|)) (.cse6 (<= |ackermann_#in~n| ackermann_~n)) (.cse7 (= ackermann_~m |ackermann_#in~m|))) (let ((.cse0 (<= |ackermann_#in~n| 1)) (.cse2 (<= |ackermann_#in~n| 2)) (.cse4 (and .cse5 .cse6 (<= 6 |ackermann_#t~ret8|) .cse7)) (.cse3 (<= 5 |ackermann_#t~ret8|)) (.cse1 (<= |ackermann_#in~m| 1)) (.cse8 (<= 3 |ackermann_#t~ret8|))) (and (not (<= |ackermann_#in~m| 0)) (or .cse0 .cse1 (and .cse2 (<= |ackermann_#in~m| 2) .cse3) .cse4) (or (and .cse5 .cse0 .cse6 (<= 2 |ackermann_#t~ret8|) .cse7) (and .cse5 .cse6 .cse2 .cse8 .cse7) (and .cse5 .cse6 (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret8|) .cse7) .cse4 (and .cse5 .cse6 .cse3 .cse7 (<= |ackermann_#in~n| 4))) (or .cse1 .cse8)))) [2020-10-27 03:57:53,047 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-10-27 03:57:53,047 INFO L274 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-10-27 03:57:53,047 INFO L274 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-10-27 03:57:53,047 INFO L274 CegarLoopResult]: For program point L17(lines 17 19) no Hoare annotation was computed. [2020-10-27 03:57:53,047 INFO L274 CegarLoopResult]: For program point ackermannFINAL(lines 16 24) no Hoare annotation was computed. [2020-10-27 03:57:53,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:57:53 BoogieIcfgContainer [2020-10-27 03:57:53,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:57:53,054 INFO L168 Benchmark]: Toolchain (without parser) took 98965.41 ms. Allocated memory was 162.5 MB in the beginning and 846.2 MB in the end (delta: 683.7 MB). Free memory was 138.5 MB in the beginning and 542.4 MB in the end (delta: -403.9 MB). Peak memory consumption was 513.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:57:53,055 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 125.8 MB. Free memory is still 85.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:57:53,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.24 ms. Allocated memory is still 162.5 MB. Free memory was 137.9 MB in the beginning and 128.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 03:57:53,056 INFO L168 Benchmark]: Boogie Preprocessor took 30.62 ms. Allocated memory is still 162.5 MB. Free memory was 128.7 MB in the beginning and 127.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:57:53,057 INFO L168 Benchmark]: RCFGBuilder took 569.16 ms. Allocated memory is still 162.5 MB. Free memory was 127.2 MB in the beginning and 112.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-27 03:57:53,058 INFO L168 Benchmark]: TraceAbstraction took 98104.11 ms. Allocated memory was 162.5 MB in the beginning and 846.2 MB in the end (delta: 683.7 MB). Free memory was 112.3 MB in the beginning and 542.4 MB in the end (delta: -430.1 MB). Peak memory consumption was 486.8 MB. Max. memory is 8.0 GB. [2020-10-27 03:57:53,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 125.8 MB. Free memory is still 85.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 247.24 ms. Allocated memory is still 162.5 MB. Free memory was 137.9 MB in the beginning and 128.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.62 ms. Allocated memory is still 162.5 MB. Free memory was 128.7 MB in the beginning and 127.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 569.16 ms. Allocated memory is still 162.5 MB. Free memory was 127.2 MB in the beginning and 112.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 98104.11 ms. Allocated memory was 162.5 MB in the beginning and 846.2 MB in the end (delta: 683.7 MB). Free memory was 112.3 MB in the beginning and 542.4 MB in the end (delta: -430.1 MB). Peak memory consumption was 486.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 91.9s, OverallIterations: 11, TraceHistogramMax: 30, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 481 SDslu, 465 SDs, 0 SdLazy, 4180 SolverSat, 958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 398 SyntacticMatches, 2 SemanticMatches, 347 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3097 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 669 PreInvPairs, 1827 NumberOfFragments, 179 HoareAnnotationTreeSize, 669 FomulaSimplifications, 291545 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 11 FomulaSimplificationsInter, 14640 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 74.0s InterpolantComputationTime, 1233 NumberOfCodeBlocks, 1233 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1222 ConstructedInterpolants, 0 QuantifiedInterpolants, 380949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 6723/8729 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 correct! Received shutdown request...