/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/array-cav19/array_init_pair_symmetr2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 13:59:48,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 13:59:48,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 13:59:48,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 13:59:48,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 13:59:48,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 13:59:48,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 13:59:48,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 13:59:48,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 13:59:48,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 13:59:48,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 13:59:48,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 13:59:48,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 13:59:48,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 13:59:48,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 13:59:48,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 13:59:48,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 13:59:48,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 13:59:48,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 13:59:48,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 13:59:48,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 13:59:48,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 13:59:48,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 13:59:48,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 13:59:48,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 13:59:48,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 13:59:48,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 13:59:48,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 13:59:48,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 13:59:48,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 13:59:48,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 13:59:48,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 13:59:48,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 13:59:48,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 13:59:48,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 13:59:48,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 13:59:48,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 13:59:48,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 13:59:48,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 13:59:48,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 13:59:48,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 13:59:48,522 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 13:59:48,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 13:59:48,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 13:59:48,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 13:59:48,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 13:59:48,579 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 13:59:48,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 13:59:48,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 13:59:48,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 13:59:48,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 13:59:48,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 13:59:48,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 13:59:48,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 13:59:48,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 13:59:48,581 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 13:59:48,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 13:59:48,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 13:59:48,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 13:59:48,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 13:59:48,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 13:59:48,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 13:59:48,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 13:59:48,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 13:59:48,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 13:59:48,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 13:59:48,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 13:59:48,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 13:59:48,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 13:59:48,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 13:59:48,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 13:59:48,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 13:59:48,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 13:59:49,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 13:59:49,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 13:59:49,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 13:59:49,009 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 13:59:49,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-cav19/array_init_pair_symmetr2.c [2020-10-27 13:59:49,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd3ac4072/a2b539d5bcde48e6a5e8e57ed17d54e4/FLAG009a92279 [2020-10-27 13:59:49,703 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 13:59:49,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-cav19/array_init_pair_symmetr2.c [2020-10-27 13:59:49,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd3ac4072/a2b539d5bcde48e6a5e8e57ed17d54e4/FLAG009a92279 [2020-10-27 13:59:50,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd3ac4072/a2b539d5bcde48e6a5e8e57ed17d54e4 [2020-10-27 13:59:50,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 13:59:50,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 13:59:50,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 13:59:50,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 13:59:50,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 13:59:50,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60582b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50, skipping insertion in model container [2020-10-27 13:59:50,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 13:59:50,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 13:59:50,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:59:50,285 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 13:59:50,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:59:50,326 INFO L208 MainTranslator]: Completed translation [2020-10-27 13:59:50,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50 WrapperNode [2020-10-27 13:59:50,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 13:59:50,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 13:59:50,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 13:59:50,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 13:59:50,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (1/1) ... [2020-10-27 13:59:50,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 13:59:50,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 13:59:50,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 13:59:50,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 13:59:50,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (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 13:59:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 13:59:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 13:59:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 13:59:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 13:59:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 13:59:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 13:59:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 13:59:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 13:59:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 13:59:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 13:59:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 13:59:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 13:59:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 13:59:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 13:59:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 13:59:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 13:59:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 13:59:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 13:59:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 13:59:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 13:59:50,783 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 13:59:50,783 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-27 13:59:50,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:59:50 BoogieIcfgContainer [2020-10-27 13:59:50,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 13:59:50,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 13:59:50,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 13:59:50,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 13:59:50,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:59:50" (1/3) ... [2020-10-27 13:59:50,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2758a34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:59:50, skipping insertion in model container [2020-10-27 13:59:50,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:59:50" (2/3) ... [2020-10-27 13:59:50,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2758a34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:59:50, skipping insertion in model container [2020-10-27 13:59:50,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:59:50" (3/3) ... [2020-10-27 13:59:50,831 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2020-10-27 13:59:50,875 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 13:59:50,885 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 13:59:50,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 13:59:50,944 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 13:59:50,945 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 13:59:50,945 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 13:59:50,945 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 13:59:50,945 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 13:59:50,946 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 13:59:50,946 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 13:59:50,946 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 13:59:50,968 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-27 13:59:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 13:59:50,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:59:50,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:59:50,977 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:59:50,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:59:50,985 INFO L82 PathProgramCache]: Analyzing trace with hash -316882605, now seen corresponding path program 1 times [2020-10-27 13:59:50,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:59:50,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971262932] [2020-10-27 13:59:50,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:59:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:51,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:51,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:51,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:52,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:52,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 13:59:52,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:59:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 758 [2020-10-27 13:59:52,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 13:59:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:59:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 13:59:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 13:59:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:59:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:52,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:52,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:52,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:59:52,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:59:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 13:59:52,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:59:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:59:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:59:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:59:52,191 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 13:59:52,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971262932] [2020-10-27 13:59:52,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:59:52,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 13:59:52,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709263779] [2020-10-27 13:59:52,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 13:59:52,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:59:52,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 13:59:52,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 13:59:52,240 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 6 states. [2020-10-27 13:59:52,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:59:52,596 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2020-10-27 13:59:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 13:59:52,598 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 13:59:52,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:59:52,608 INFO L225 Difference]: With dead ends: 89 [2020-10-27 13:59:52,608 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 13:59:52,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 13:59:52,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 13:59:52,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2020-10-27 13:59:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-27 13:59:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-27 13:59:52,667 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 16 [2020-10-27 13:59:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:59:52,668 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-27 13:59:52,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 13:59:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-27 13:59:52,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 13:59:52,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:59:52,671 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 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 13:59:52,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 13:59:52,671 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:59:52,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:59:52,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1681631710, now seen corresponding path program 1 times [2020-10-27 13:59:52,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:59:52,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819297639] [2020-10-27 13:59:52,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:59:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:52,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:52,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:53,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:53,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:53,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 13:59:53,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:59:53,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1299 [2020-10-27 13:59:53,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:59:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 13:59:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:59:54,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:59:54,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:59:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:54,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:54,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:54,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:59:54,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:59:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:59:54,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:59:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:59:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:59:54,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:59:54,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:59:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:54,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:54,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:54,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:59:54,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:59:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:59:54,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:59:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:59:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:59:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:59:54,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:59:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:54,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:54,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:59:54,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:59:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:59:54,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:59:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:59:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:59:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:59:54,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 13:59:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:54,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:54,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:54,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:59:54,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:59:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:59:54,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:54,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:59:54,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:59:54,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:59:54,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:59:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 13:59:54,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819297639] [2020-10-27 13:59:54,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:59:54,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 13:59:54,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850916372] [2020-10-27 13:59:54,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 13:59:54,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:59:54,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 13:59:54,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 13:59:54,155 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 7 states. [2020-10-27 13:59:54,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:59:54,440 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2020-10-27 13:59:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 13:59:54,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-10-27 13:59:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:59:54,442 INFO L225 Difference]: With dead ends: 68 [2020-10-27 13:59:54,443 INFO L226 Difference]: Without dead ends: 51 [2020-10-27 13:59:54,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-27 13:59:54,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-27 13:59:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2020-10-27 13:59:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 13:59:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2020-10-27 13:59:54,456 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 36 [2020-10-27 13:59:54,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:59:54,457 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2020-10-27 13:59:54,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 13:59:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2020-10-27 13:59:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 13:59:54,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:59:54,459 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:59:54,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 13:59:54,460 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:59:54,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:59:54,461 INFO L82 PathProgramCache]: Analyzing trace with hash -464982743, now seen corresponding path program 2 times [2020-10-27 13:59:54,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:59:54,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300930701] [2020-10-27 13:59:54,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:59:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:59:54,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:54,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:55,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:56,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:56,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:59:59,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:59:59,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 13:59:59,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 13:59:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 13:59:59,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 13:59:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 13:59:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 13:59:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 13:59:59,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:00,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:00,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:00,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:00,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:00,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:00,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 14:00:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:00,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:00,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:00,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:00,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 14:00:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:00,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:00,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:00,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:00,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:00:00,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:00,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:00,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:00,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:00,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 14:00:00,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:00,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:00,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:00,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:00,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 14:00:00,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:00,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:00,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:00,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:00,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:00,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 14:00:00,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:00:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:00:00,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-27 14:00:00,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300930701] [2020-10-27 14:00:00,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:00,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 14:00:00,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513224833] [2020-10-27 14:00:00,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 14:00:00,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:00,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 14:00:00,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2020-10-27 14:00:00,695 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 17 states. [2020-10-27 14:00:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:02,060 INFO L93 Difference]: Finished difference Result 74 states and 90 transitions. [2020-10-27 14:00:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 14:00:02,061 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2020-10-27 14:00:02,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:02,063 INFO L225 Difference]: With dead ends: 74 [2020-10-27 14:00:02,063 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 14:00:02,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2020-10-27 14:00:02,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 14:00:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 60. [2020-10-27 14:00:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-27 14:00:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2020-10-27 14:00:02,080 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 56 [2020-10-27 14:00:02,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:02,080 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2020-10-27 14:00:02,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 14:00:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2020-10-27 14:00:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 14:00:02,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:02,083 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:02,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 14:00:02,084 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:02,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:02,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1744848485, now seen corresponding path program 1 times [2020-10-27 14:00:02,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:02,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330853535] [2020-10-27 14:00:02,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:02,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:02,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:02,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 14:00:04,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 14:00:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2631 [2020-10-27 14:00:04,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 14:00:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 14:00:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 14:00:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:04,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:04,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:04,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:04,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:04,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:04,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:04,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:04,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:04,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:04,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:04,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:04,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:04,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:04,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:04,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:04,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:04,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:04,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:00:04,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:04,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:04,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:04,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:00:04,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:04,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:04,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 14:00:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:04,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:04,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:04,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:04,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:04,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:04,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:04,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:04,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-27 14:00:04,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330853535] [2020-10-27 14:00:04,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:04,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 14:00:04,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117604216] [2020-10-27 14:00:04,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 14:00:04,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:04,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 14:00:04,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 14:00:04,898 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand 9 states. [2020-10-27 14:00:05,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:05,269 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2020-10-27 14:00:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 14:00:05,269 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-27 14:00:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:05,271 INFO L225 Difference]: With dead ends: 100 [2020-10-27 14:00:05,271 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 14:00:05,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2020-10-27 14:00:05,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 14:00:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 54. [2020-10-27 14:00:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-27 14:00:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2020-10-27 14:00:05,288 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 64 [2020-10-27 14:00:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:05,290 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2020-10-27 14:00:05,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 14:00:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2020-10-27 14:00:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-27 14:00:05,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:05,292 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:05,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 14:00:05,293 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:05,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:05,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1148014446, now seen corresponding path program 3 times [2020-10-27 14:00:05,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:05,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69191583] [2020-10-27 14:00:05,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:05,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:05,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:05,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:06,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:06,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 14:00:10,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 14:00:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 14:00:10,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 14:00:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:00:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 14:00:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:10,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:10,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:10,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:10,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:10,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:10,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:10,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:10,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:00:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:10,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:00:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:10,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:00:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:10,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:10,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:10,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:10,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:10,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 14:00:10,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69191583] [2020-10-27 14:00:10,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:10,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 14:00:10,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384048599] [2020-10-27 14:00:10,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 14:00:10,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:10,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 14:00:10,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 14:00:10,581 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand 10 states. [2020-10-27 14:00:10,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:10,994 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2020-10-27 14:00:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 14:00:10,997 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-10-27 14:00:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:10,998 INFO L225 Difference]: With dead ends: 62 [2020-10-27 14:00:10,998 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 14:00:10,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-10-27 14:00:11,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 14:00:11,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 49. [2020-10-27 14:00:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-27 14:00:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2020-10-27 14:00:11,018 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 74 [2020-10-27 14:00:11,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:11,020 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2020-10-27 14:00:11,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 14:00:11,020 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2020-10-27 14:00:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 14:00:11,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:11,023 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:11,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 14:00:11,023 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:11,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:11,024 INFO L82 PathProgramCache]: Analyzing trace with hash -566158540, now seen corresponding path program 4 times [2020-10-27 14:00:11,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:11,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393755291] [2020-10-27 14:00:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:11,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:11,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:12,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:12,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:13,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:15,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:16,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:16,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-27 14:00:16,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 14:00:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 14:00:16,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 14:00:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:00:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 14:00:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:16,658 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-10-27 14:00:16,850 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-10-27 14:00:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:17,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:17,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:17,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:17,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:17,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:17,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:17,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:17,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:17,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:17,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:17,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:17,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:17,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:17,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:17,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:17,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:17,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:17,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:17,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:17,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:17,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:17,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:17,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:17,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:17,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:17,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:17,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:17,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:17,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:17,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:17,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:17,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:17,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:17,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:17,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:17,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:17,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:17,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:17,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:17,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:17,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:17,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:17,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:17,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:17,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:17,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:17,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:17,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:17,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:00:17,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:00:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:00:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:18,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:00:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:18,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:18,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:18,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:18,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:18,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:18,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:00:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:18,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:18,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:18,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:18,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:18,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:18,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:18,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:00:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:18,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:18,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:18,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:18,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:18,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:18,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-27 14:00:18,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393755291] [2020-10-27 14:00:18,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:18,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 14:00:18,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628040109] [2020-10-27 14:00:18,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 14:00:18,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:18,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 14:00:18,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-10-27 14:00:18,110 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 23 states. [2020-10-27 14:00:18,786 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-10-27 14:00:19,988 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 71 [2020-10-27 14:00:20,332 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-10-27 14:00:20,541 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-10-27 14:00:20,756 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-27 14:00:21,272 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 59 [2020-10-27 14:00:21,652 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2020-10-27 14:00:21,908 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-27 14:00:22,503 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-10-27 14:00:22,729 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-10-27 14:00:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:23,023 INFO L93 Difference]: Finished difference Result 71 states and 84 transitions. [2020-10-27 14:00:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 14:00:23,025 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 76 [2020-10-27 14:00:23,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:23,027 INFO L225 Difference]: With dead ends: 71 [2020-10-27 14:00:23,027 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 14:00:23,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=350, Invalid=2406, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 14:00:23,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 14:00:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 58. [2020-10-27 14:00:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 14:00:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2020-10-27 14:00:23,045 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 76 [2020-10-27 14:00:23,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:23,045 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2020-10-27 14:00:23,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 14:00:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2020-10-27 14:00:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-27 14:00:23,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:23,047 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:23,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 14:00:23,048 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:23,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:23,048 INFO L82 PathProgramCache]: Analyzing trace with hash 251618646, now seen corresponding path program 5 times [2020-10-27 14:00:23,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:23,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390138543] [2020-10-27 14:00:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:23,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:24,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:25,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:26,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:27,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 14:00:28,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 14:00:28,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5096 [2020-10-27 14:00:28,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 14:00:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:00:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 14:00:28,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:28,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:28,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:28,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:28,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:28,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:28,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:28,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:28,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:00:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:28,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:00:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:28,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:00:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:28,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:28,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:28,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:28,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:28,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 11 proven. 26 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 14:00:28,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390138543] [2020-10-27 14:00:28,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:28,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 14:00:28,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772905541] [2020-10-27 14:00:28,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 14:00:28,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:28,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 14:00:28,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 14:00:28,469 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand 12 states. [2020-10-27 14:00:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:28,925 INFO L93 Difference]: Finished difference Result 118 states and 141 transitions. [2020-10-27 14:00:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 14:00:28,927 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2020-10-27 14:00:28,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:28,930 INFO L225 Difference]: With dead ends: 118 [2020-10-27 14:00:28,930 INFO L226 Difference]: Without dead ends: 99 [2020-10-27 14:00:28,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-10-27 14:00:28,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-27 14:00:28,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-10-27 14:00:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-27 14:00:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2020-10-27 14:00:28,952 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 78 [2020-10-27 14:00:28,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:28,953 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2020-10-27 14:00:28,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 14:00:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2020-10-27 14:00:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 14:00:28,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:28,955 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:28,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 14:00:28,956 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:28,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:28,956 INFO L82 PathProgramCache]: Analyzing trace with hash -992301914, now seen corresponding path program 2 times [2020-10-27 14:00:28,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:28,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525400158] [2020-10-27 14:00:28,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:29,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:30,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 14:00:34,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 14:00:34,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 14:00:34,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 14:00:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:00:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 14:00:34,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:34,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:34,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:34,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:34,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:34,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:34,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:34,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:34,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:34,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:00:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:34,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:00:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:34,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:00:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:00:34,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:00:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:00:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:00:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:34,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:34,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:34,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:34,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:34,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-10-27 14:00:34,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525400158] [2020-10-27 14:00:34,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:34,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 14:00:34,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109325230] [2020-10-27 14:00:34,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 14:00:34,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:34,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 14:00:35,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2020-10-27 14:00:35,001 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand 19 states. [2020-10-27 14:00:36,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:36,283 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2020-10-27 14:00:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 14:00:36,283 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 84 [2020-10-27 14:00:36,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:36,286 INFO L225 Difference]: With dead ends: 94 [2020-10-27 14:00:36,286 INFO L226 Difference]: Without dead ends: 74 [2020-10-27 14:00:36,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=96, Invalid=716, Unknown=0, NotChecked=0, Total=812 [2020-10-27 14:00:36,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-27 14:00:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2020-10-27 14:00:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-27 14:00:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2020-10-27 14:00:36,305 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 84 [2020-10-27 14:00:36,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:36,305 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2020-10-27 14:00:36,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 14:00:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2020-10-27 14:00:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 14:00:36,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:36,307 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:36,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 14:00:36,307 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:36,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:36,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1885551617, now seen corresponding path program 6 times [2020-10-27 14:00:36,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:36,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572443978] [2020-10-27 14:00:36,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:36,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:36,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:36,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:37,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:39,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:40,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:41,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:41,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 14:00:41,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 14:00:41,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 14:00:41,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:41,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 14:00:41,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:00:41,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 14:00:41,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:41,918 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-10-27 14:00:42,048 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2020-10-27 14:00:42,444 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-10-27 14:00:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:42,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:42,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:42,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:42,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:42,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:00:42,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:00:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:00:42,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:00:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:00:42,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:00:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:00:42,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:00:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:42,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:00:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:00:42,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:00:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:42,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:42,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:42,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:42,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 14:00:42,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:00:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:43,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:43,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:43,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:43,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:43,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 14:00:43,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:43,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-10-27 14:00:43,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572443978] [2020-10-27 14:00:43,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:43,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 14:00:43,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997819813] [2020-10-27 14:00:43,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 14:00:43,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:43,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 14:00:43,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-10-27 14:00:43,071 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand 19 states. [2020-10-27 14:00:44,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:44,281 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2020-10-27 14:00:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 14:00:44,281 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 96 [2020-10-27 14:00:44,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:44,283 INFO L225 Difference]: With dead ends: 81 [2020-10-27 14:00:44,283 INFO L226 Difference]: Without dead ends: 78 [2020-10-27 14:00:44,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2020-10-27 14:00:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-27 14:00:44,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-10-27 14:00:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-27 14:00:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 90 transitions. [2020-10-27 14:00:44,305 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 90 transitions. Word has length 96 [2020-10-27 14:00:44,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:44,306 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 90 transitions. [2020-10-27 14:00:44,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 14:00:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 90 transitions. [2020-10-27 14:00:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-27 14:00:44,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:44,308 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:44,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 14:00:44,308 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:44,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:44,309 INFO L82 PathProgramCache]: Analyzing trace with hash 292989071, now seen corresponding path program 3 times [2020-10-27 14:00:44,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:44,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097034348] [2020-10-27 14:00:44,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:44,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:44,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:45,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:46,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:00:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 14:00:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:50,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:50,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:50,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:00:50,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:00:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:00:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:00:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:00:50,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:00:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:00:50,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:00:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:00:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:00:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:50,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:00:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:50,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:50,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:50,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:50,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:50,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 26 proven. 60 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-10-27 14:00:50,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097034348] [2020-10-27 14:00:50,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:50,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 14:00:50,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241082405] [2020-10-27 14:00:50,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 14:00:50,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:00:50,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 14:00:50,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2020-10-27 14:00:50,473 INFO L87 Difference]: Start difference. First operand 76 states and 90 transitions. Second operand 22 states. [2020-10-27 14:00:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:00:52,318 INFO L93 Difference]: Finished difference Result 130 states and 157 transitions. [2020-10-27 14:00:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 14:00:52,324 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 102 [2020-10-27 14:00:52,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:00:52,327 INFO L225 Difference]: With dead ends: 130 [2020-10-27 14:00:52,328 INFO L226 Difference]: Without dead ends: 118 [2020-10-27 14:00:52,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2020-10-27 14:00:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-27 14:00:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2020-10-27 14:00:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-27 14:00:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2020-10-27 14:00:52,370 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 102 [2020-10-27 14:00:52,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:00:52,372 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2020-10-27 14:00:52,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 14:00:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2020-10-27 14:00:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 14:00:52,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:00:52,376 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:00:52,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 14:00:52,376 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:00:52,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:00:52,377 INFO L82 PathProgramCache]: Analyzing trace with hash -678732061, now seen corresponding path program 4 times [2020-10-27 14:00:52,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:00:52,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297823408] [2020-10-27 14:00:52,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:00:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:52,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:52,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:53,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:53,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:55,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:57,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:57,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:57,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 14:00:57,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 14:00:57,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-27 14:00:57,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:57,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 14:00:57,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:00:57,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 14:00:57,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:58,127 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 45 [2020-10-27 14:00:58,299 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2020-10-27 14:00:58,607 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 52 [2020-10-27 14:00:58,868 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 48 [2020-10-27 14:00:59,175 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2020-10-27 14:00:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:00:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:00:59,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:00:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:59,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:00:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:59,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:00:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:59,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:00:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:59,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:00:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:59,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:00:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:00:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:00:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:59,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:00:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:00:59,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:00:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:00:59,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:00:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:00:59,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:00:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:00:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:00:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:00:59,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 14:00:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:00:59,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 14:00:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:00:59,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:00:59,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:00:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:00:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 77 proven. 43 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2020-10-27 14:00:59,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297823408] [2020-10-27 14:00:59,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:00:59,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 14:00:59,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457204687] [2020-10-27 14:00:59,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 14:00:59,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:01:00,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 14:01:00,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2020-10-27 14:01:00,000 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand 27 states. [2020-10-27 14:01:01,498 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-10-27 14:01:01,808 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-10-27 14:01:02,281 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-10-27 14:01:03,329 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2020-10-27 14:01:03,738 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2020-10-27 14:01:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:01:04,785 INFO L93 Difference]: Finished difference Result 148 states and 177 transitions. [2020-10-27 14:01:04,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 14:01:04,786 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 112 [2020-10-27 14:01:04,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:01:04,788 INFO L225 Difference]: With dead ends: 148 [2020-10-27 14:01:04,788 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 14:01:04,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=399, Invalid=2793, Unknown=0, NotChecked=0, Total=3192 [2020-10-27 14:01:04,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 14:01:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2020-10-27 14:01:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-27 14:01:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 155 transitions. [2020-10-27 14:01:04,824 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 155 transitions. Word has length 112 [2020-10-27 14:01:04,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:01:04,824 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 155 transitions. [2020-10-27 14:01:04,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 14:01:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 155 transitions. [2020-10-27 14:01:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 14:01:04,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:01:04,826 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:01:04,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 14:01:04,827 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:01:04,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:01:04,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1474060731, now seen corresponding path program 5 times [2020-10-27 14:01:04,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:01:04,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281501991] [2020-10-27 14:01:04,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:01:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:04,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:04,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:05,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:07,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:01:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 14:01:09,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:01:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:01:11,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:01:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:01:11,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:01:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:01:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:01:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:01:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:01:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:01:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:01:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:01:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:11,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:01:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:01:11,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:01:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:01:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:01:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:01:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:01:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:01:11,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 14:01:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:01:11,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 14:01:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:11,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:11,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:11,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:11,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:11,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:01:11,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 35 proven. 61 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2020-10-27 14:01:11,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281501991] [2020-10-27 14:01:11,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:01:11,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 14:01:11,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720789017] [2020-10-27 14:01:11,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 14:01:11,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:01:11,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 14:01:11,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2020-10-27 14:01:11,775 INFO L87 Difference]: Start difference. First operand 129 states and 155 transitions. Second operand 27 states. [2020-10-27 14:01:12,507 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-27 14:01:13,364 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-27 14:01:14,574 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-27 14:01:14,779 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2020-10-27 14:01:15,249 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-10-27 14:01:16,802 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2020-10-27 14:01:17,177 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-10-27 14:01:17,716 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2020-10-27 14:01:17,951 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-10-27 14:01:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:01:18,649 INFO L93 Difference]: Finished difference Result 178 states and 214 transitions. [2020-10-27 14:01:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-27 14:01:18,650 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 114 [2020-10-27 14:01:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:01:18,653 INFO L225 Difference]: With dead ends: 178 [2020-10-27 14:01:18,653 INFO L226 Difference]: Without dead ends: 175 [2020-10-27 14:01:18,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=605, Invalid=4225, Unknown=0, NotChecked=0, Total=4830 [2020-10-27 14:01:18,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-27 14:01:18,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 133. [2020-10-27 14:01:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-27 14:01:18,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 161 transitions. [2020-10-27 14:01:18,688 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 161 transitions. Word has length 114 [2020-10-27 14:01:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:01:18,689 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 161 transitions. [2020-10-27 14:01:18,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 14:01:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 161 transitions. [2020-10-27 14:01:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-27 14:01:18,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:01:18,691 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:01:18,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 14:01:18,693 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:01:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:01:18,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1280733913, now seen corresponding path program 6 times [2020-10-27 14:01:18,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:01:18,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153579987] [2020-10-27 14:01:18,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:01:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:18,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:18,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:18,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:19,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:22,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:23,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:23,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 14:01:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 14:01:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5096 [2020-10-27 14:01:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 14:01:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:01:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-27 14:01:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:01:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:01:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:01:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:01:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:26,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:01:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:26,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:01:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:26,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:01:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:26,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:01:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:01:26,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:01:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:01:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:01:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:01:26,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:01:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:01:26,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:01:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:01:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:26,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:01:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:26,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:01:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:01:26,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 14:01:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 14:01:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:26,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:26,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:26,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 19 proven. 98 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-10-27 14:01:26,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153579987] [2020-10-27 14:01:26,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:01:26,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 14:01:26,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180005733] [2020-10-27 14:01:26,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 14:01:26,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:01:26,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 14:01:26,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=806, Unknown=0, NotChecked=0, Total=870 [2020-10-27 14:01:26,487 INFO L87 Difference]: Start difference. First operand 133 states and 161 transitions. Second operand 30 states. [2020-10-27 14:01:27,196 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-10-27 14:01:27,384 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-27 14:01:27,705 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-10-27 14:01:28,041 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-10-27 14:01:28,273 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2020-10-27 14:01:28,909 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-10-27 14:01:29,126 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-10-27 14:01:29,329 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2020-10-27 14:01:29,809 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 98 [2020-10-27 14:01:30,188 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-10-27 14:01:30,562 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-10-27 14:01:30,947 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2020-10-27 14:01:31,166 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2020-10-27 14:01:31,439 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2020-10-27 14:01:31,706 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-10-27 14:01:32,081 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 85 [2020-10-27 14:01:32,428 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2020-10-27 14:01:32,779 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2020-10-27 14:01:33,072 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2020-10-27 14:01:33,319 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-10-27 14:01:33,731 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2020-10-27 14:01:33,978 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-10-27 14:01:34,178 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 43 [2020-10-27 14:01:34,609 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2020-10-27 14:01:35,109 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-10-27 14:01:35,647 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2020-10-27 14:01:35,854 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2020-10-27 14:01:36,196 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-10-27 14:01:36,487 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-10-27 14:01:37,022 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-10-27 14:01:37,368 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2020-10-27 14:01:37,726 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 77 [2020-10-27 14:01:38,054 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2020-10-27 14:01:38,309 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2020-10-27 14:01:38,564 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-10-27 14:01:38,764 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-10-27 14:01:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:01:38,815 INFO L93 Difference]: Finished difference Result 186 states and 225 transitions. [2020-10-27 14:01:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-27 14:01:38,816 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 116 [2020-10-27 14:01:38,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:01:38,819 INFO L225 Difference]: With dead ends: 186 [2020-10-27 14:01:38,819 INFO L226 Difference]: Without dead ends: 183 [2020-10-27 14:01:38,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1201 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=730, Invalid=5432, Unknown=0, NotChecked=0, Total=6162 [2020-10-27 14:01:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-27 14:01:38,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 137. [2020-10-27 14:01:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-27 14:01:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 167 transitions. [2020-10-27 14:01:38,859 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 167 transitions. Word has length 116 [2020-10-27 14:01:38,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:01:38,859 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 167 transitions. [2020-10-27 14:01:38,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 14:01:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2020-10-27 14:01:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 14:01:38,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:01:38,862 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:01:38,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 14:01:38,862 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:01:38,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:01:38,862 INFO L82 PathProgramCache]: Analyzing trace with hash -177255543, now seen corresponding path program 7 times [2020-10-27 14:01:38,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:01:38,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197314046] [2020-10-27 14:01:38,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:01:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:38,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:38,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:39,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:39,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:39,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:43,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 14:01:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 14:01:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5201 [2020-10-27 14:01:44,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 14:01:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:01:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 14:01:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:01:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:01:44,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:44,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:01:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:01:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:01:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:01:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:01:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:01:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:01:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:01:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:44,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:01:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:01:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:44,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 14:01:44,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:01:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:01:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:01:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:01:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:44,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:44,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:44,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:44,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:01:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:01:44,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:01:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:01:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:01:44,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 14:01:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:44,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:44,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:44,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:44,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:44,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:01:44,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:01:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:01:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:01:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 51 proven. 40 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-10-27 14:01:44,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197314046] [2020-10-27 14:01:44,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:01:44,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 14:01:44,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922682188] [2020-10-27 14:01:44,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 14:01:44,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:01:44,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 14:01:44,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-27 14:01:44,402 INFO L87 Difference]: Start difference. First operand 137 states and 167 transitions. Second operand 15 states. [2020-10-27 14:01:45,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:01:45,317 INFO L93 Difference]: Finished difference Result 219 states and 255 transitions. [2020-10-27 14:01:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 14:01:45,318 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 118 [2020-10-27 14:01:45,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:01:45,321 INFO L225 Difference]: With dead ends: 219 [2020-10-27 14:01:45,321 INFO L226 Difference]: Without dead ends: 138 [2020-10-27 14:01:45,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2020-10-27 14:01:45,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-27 14:01:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 103. [2020-10-27 14:01:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-27 14:01:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 125 transitions. [2020-10-27 14:01:45,346 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 125 transitions. Word has length 118 [2020-10-27 14:01:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:01:45,346 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 125 transitions. [2020-10-27 14:01:45,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 14:01:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 125 transitions. [2020-10-27 14:01:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 14:01:45,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:01:45,348 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:01:45,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 14:01:45,349 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:01:45,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:01:45,349 INFO L82 PathProgramCache]: Analyzing trace with hash -885203912, now seen corresponding path program 8 times [2020-10-27 14:01:45,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:01:45,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578481825] [2020-10-27 14:01:45,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:01:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:45,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:46,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:46,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:47,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:48,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:50,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:50,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:50,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 14:01:50,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 14:01:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 14:01:50,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 14:01:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:01:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-27 14:01:50,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:01:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:01:51,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:01:51,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:01:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:01:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:01:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:51,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:01:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:51,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:01:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:51,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:01:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:01:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:51,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:01:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:01:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:01:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:51,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:01:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:51,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:51,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:51,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:51,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:51,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:01:51,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:01:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:01:51,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:01:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:52,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:52,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:01:52,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:01:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:52,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:52,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:52,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:01:52,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:01:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:52,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:01:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:01:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:52,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:52,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:52,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:52,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:01:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:01:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:52,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:52,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:52,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:52,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:01:52,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:52,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:01:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:52,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:52,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:01:52,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:01:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:52,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:52,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:01:52,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:01:52,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:01:52,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:01:52,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:01:52,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:01:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:01:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:01:52,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:01:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 65 proven. 92 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2020-10-27 14:01:52,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578481825] [2020-10-27 14:01:52,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:01:52,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 14:01:52,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217777995] [2020-10-27 14:01:52,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 14:01:52,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:01:52,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 14:01:52,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2020-10-27 14:01:52,409 INFO L87 Difference]: Start difference. First operand 103 states and 125 transitions. Second operand 24 states. [2020-10-27 14:01:55,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:01:55,053 INFO L93 Difference]: Finished difference Result 121 states and 144 transitions. [2020-10-27 14:01:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 14:01:55,054 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 120 [2020-10-27 14:01:55,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:01:55,056 INFO L225 Difference]: With dead ends: 121 [2020-10-27 14:01:55,056 INFO L226 Difference]: Without dead ends: 104 [2020-10-27 14:01:55,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=176, Invalid=1230, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 14:01:55,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-27 14:01:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2020-10-27 14:01:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-27 14:01:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 118 transitions. [2020-10-27 14:01:55,083 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 118 transitions. Word has length 120 [2020-10-27 14:01:55,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:01:55,084 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 118 transitions. [2020-10-27 14:01:55,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 14:01:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 118 transitions. [2020-10-27 14:01:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 14:01:55,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:01:55,086 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:01:55,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 14:01:55,086 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:01:55,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:01:55,086 INFO L82 PathProgramCache]: Analyzing trace with hash 2056457522, now seen corresponding path program 9 times [2020-10-27 14:01:55,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:01:55,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32355756] [2020-10-27 14:01:55,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:01:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:01:55,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:55,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:56,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:01:56,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 14:02:00,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 14:02:00,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 14:02:00,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 14:02:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:02:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-27 14:02:00,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:00,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:00,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:00,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:00,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:00,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:02:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:00,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 14:02:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:00,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:00,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:00,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:00,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 53 proven. 65 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2020-10-27 14:02:00,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32355756] [2020-10-27 14:02:00,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:00,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 14:02:00,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556265536] [2020-10-27 14:02:00,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 14:02:00,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:00,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 14:02:00,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2020-10-27 14:02:00,488 INFO L87 Difference]: Start difference. First operand 98 states and 118 transitions. Second operand 17 states. [2020-10-27 14:02:01,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:01,445 INFO L93 Difference]: Finished difference Result 217 states and 252 transitions. [2020-10-27 14:02:01,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 14:02:01,446 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 136 [2020-10-27 14:02:01,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:01,448 INFO L225 Difference]: With dead ends: 217 [2020-10-27 14:02:01,448 INFO L226 Difference]: Without dead ends: 167 [2020-10-27 14:02:01,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2020-10-27 14:02:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-27 14:02:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 145. [2020-10-27 14:02:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-27 14:02:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 169 transitions. [2020-10-27 14:02:01,508 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 169 transitions. Word has length 136 [2020-10-27 14:02:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:01,509 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 169 transitions. [2020-10-27 14:02:01,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 14:02:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 169 transitions. [2020-10-27 14:02:01,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 14:02:01,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:01,514 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:01,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 14:02:01,515 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:01,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:01,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1321096160, now seen corresponding path program 10 times [2020-10-27 14:02:01,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:01,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126026285] [2020-10-27 14:02:01,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:01,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:05,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:05,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:06,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:06,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-27 14:02:06,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:08,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:08,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:02:08,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:02:08,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:02:08,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:02:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:02:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 14:02:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:02:08,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 14:02:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:02:08,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 14:02:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:08,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:08,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:08,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:08,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 85 proven. 31 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2020-10-27 14:02:08,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126026285] [2020-10-27 14:02:08,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:08,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 14:02:08,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332706900] [2020-10-27 14:02:08,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 14:02:08,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:08,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 14:02:08,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2020-10-27 14:02:08,434 INFO L87 Difference]: Start difference. First operand 145 states and 169 transitions. Second operand 26 states. [2020-10-27 14:02:09,166 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2020-10-27 14:02:10,290 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-10-27 14:02:10,611 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-10-27 14:02:10,837 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2020-10-27 14:02:11,423 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-10-27 14:02:11,790 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 60 [2020-10-27 14:02:11,955 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-10-27 14:02:12,233 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2020-10-27 14:02:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:13,508 INFO L93 Difference]: Finished difference Result 158 states and 183 transitions. [2020-10-27 14:02:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 14:02:13,509 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 140 [2020-10-27 14:02:13,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:13,511 INFO L225 Difference]: With dead ends: 158 [2020-10-27 14:02:13,511 INFO L226 Difference]: Without dead ends: 114 [2020-10-27 14:02:13,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=563, Invalid=2743, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 14:02:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-27 14:02:13,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 104. [2020-10-27 14:02:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-27 14:02:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2020-10-27 14:02:13,545 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 140 [2020-10-27 14:02:13,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:13,545 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2020-10-27 14:02:13,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 14:02:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2020-10-27 14:02:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 14:02:13,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:13,548 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:13,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 14:02:13,549 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:13,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:13,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1445140123, now seen corresponding path program 11 times [2020-10-27 14:02:13,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:13,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946318359] [2020-10-27 14:02:13,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:13,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:13,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:13,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 14:02:18,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:18,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:18,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:18,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:02:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:02:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:02:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:02:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:18,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:18,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 14:02:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:18,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:18,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:18,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:19,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 53 proven. 96 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2020-10-27 14:02:19,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946318359] [2020-10-27 14:02:19,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:19,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 14:02:19,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944715470] [2020-10-27 14:02:19,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 14:02:19,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:19,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 14:02:19,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-27 14:02:19,017 INFO L87 Difference]: Start difference. First operand 104 states and 126 transitions. Second operand 18 states. [2020-10-27 14:02:20,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:20,153 INFO L93 Difference]: Finished difference Result 202 states and 236 transitions. [2020-10-27 14:02:20,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 14:02:20,155 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 154 [2020-10-27 14:02:20,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:20,157 INFO L225 Difference]: With dead ends: 202 [2020-10-27 14:02:20,157 INFO L226 Difference]: Without dead ends: 171 [2020-10-27 14:02:20,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2020-10-27 14:02:20,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-27 14:02:20,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 144. [2020-10-27 14:02:20,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-27 14:02:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-10-27 14:02:20,200 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 154 [2020-10-27 14:02:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:20,201 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-10-27 14:02:20,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 14:02:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-10-27 14:02:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 14:02:20,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:20,203 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:20,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 14:02:20,203 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:20,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1143525077, now seen corresponding path program 12 times [2020-10-27 14:02:20,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:20,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790725879] [2020-10-27 14:02:20,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:20,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:20,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-27 14:02:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:25,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:02:25,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 14:02:25,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:02:25,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:25,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:02:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:02:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:02:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:25,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 14:02:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:25,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:25,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:25,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:25,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 14:02:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:25,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 14:02:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:25,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:25,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:25,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:25,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:25,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:25,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:25,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:25,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:25,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:25,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2020-10-27 14:02:25,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790725879] [2020-10-27 14:02:25,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:25,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 14:02:25,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021459368] [2020-10-27 14:02:25,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 14:02:25,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:25,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 14:02:25,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-27 14:02:25,614 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 11 states. [2020-10-27 14:02:26,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:26,404 INFO L93 Difference]: Finished difference Result 171 states and 202 transitions. [2020-10-27 14:02:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 14:02:26,406 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-27 14:02:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:26,407 INFO L225 Difference]: With dead ends: 171 [2020-10-27 14:02:26,407 INFO L226 Difference]: Without dead ends: 119 [2020-10-27 14:02:26,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-27 14:02:26,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-27 14:02:26,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 95. [2020-10-27 14:02:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 14:02:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-10-27 14:02:26,429 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 160 [2020-10-27 14:02:26,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:26,430 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-10-27 14:02:26,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 14:02:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-10-27 14:02:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-27 14:02:26,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:26,432 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:26,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 14:02:26,432 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:26,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:26,433 INFO L82 PathProgramCache]: Analyzing trace with hash -972752956, now seen corresponding path program 13 times [2020-10-27 14:02:26,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:26,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392858204] [2020-10-27 14:02:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:26,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:26,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-27 14:02:31,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:02:31,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 14:02:31,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 14:02:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 14:02:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-27 14:02:31,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:31,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:02:31,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 14:02:31,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:31,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:31,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:31,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:31,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:02:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:02:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:31,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:02:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:02:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:31,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:02:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:02:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:31,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:02:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:31,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:31,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 14:02:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:31,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:31,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:31,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:31,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:31,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:31,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:31,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:31,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:31,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:31,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 4 proven. 133 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2020-10-27 14:02:31,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392858204] [2020-10-27 14:02:31,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:31,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 14:02:31,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563912051] [2020-10-27 14:02:31,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 14:02:31,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:31,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 14:02:31,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-10-27 14:02:31,872 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 12 states. [2020-10-27 14:02:32,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:32,766 INFO L93 Difference]: Finished difference Result 173 states and 209 transitions. [2020-10-27 14:02:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 14:02:32,768 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 172 [2020-10-27 14:02:32,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:32,770 INFO L225 Difference]: With dead ends: 173 [2020-10-27 14:02:32,770 INFO L226 Difference]: Without dead ends: 131 [2020-10-27 14:02:32,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2020-10-27 14:02:32,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-27 14:02:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 103. [2020-10-27 14:02:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-27 14:02:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 128 transitions. [2020-10-27 14:02:32,800 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 128 transitions. Word has length 172 [2020-10-27 14:02:32,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:32,800 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 128 transitions. [2020-10-27 14:02:32,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 14:02:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2020-10-27 14:02:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 14:02:32,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:32,802 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:32,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 14:02:32,802 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:32,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:32,803 INFO L82 PathProgramCache]: Analyzing trace with hash 138491279, now seen corresponding path program 14 times [2020-10-27 14:02:32,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:32,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129875023] [2020-10-27 14:02:32,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:32,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:37,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 14:02:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 14:02:38,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:02:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:02:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:02:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:02:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:02:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:02:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:02:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:02:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:02:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:38,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:38,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 14:02:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:38,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 14:02:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:38,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:38,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:38,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:38,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:38,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:38,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2020-10-27 14:02:38,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129875023] [2020-10-27 14:02:38,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:38,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 14:02:38,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723787322] [2020-10-27 14:02:38,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 14:02:38,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:38,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 14:02:38,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-27 14:02:38,207 INFO L87 Difference]: Start difference. First operand 103 states and 128 transitions. Second operand 13 states. [2020-10-27 14:02:39,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:39,425 INFO L93 Difference]: Finished difference Result 187 states and 227 transitions. [2020-10-27 14:02:39,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 14:02:39,426 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2020-10-27 14:02:39,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:39,428 INFO L225 Difference]: With dead ends: 187 [2020-10-27 14:02:39,428 INFO L226 Difference]: Without dead ends: 143 [2020-10-27 14:02:39,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2020-10-27 14:02:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-27 14:02:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-10-27 14:02:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-27 14:02:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 139 transitions. [2020-10-27 14:02:39,452 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 139 transitions. Word has length 192 [2020-10-27 14:02:39,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:39,452 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 139 transitions. [2020-10-27 14:02:39,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 14:02:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 139 transitions. [2020-10-27 14:02:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-27 14:02:39,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:39,454 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:39,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 14:02:39,454 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:39,455 INFO L82 PathProgramCache]: Analyzing trace with hash 152190490, now seen corresponding path program 15 times [2020-10-27 14:02:39,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:39,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395248427] [2020-10-27 14:02:39,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:39,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 14:02:44,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:02:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-27 14:02:44,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 14:02:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 14:02:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-27 14:02:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:44,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:02:44,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 14:02:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:44,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:44,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:44,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:02:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:02:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:02:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:02:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:02:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:02:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:02:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:02:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:02:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:02:44,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:02:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 14:02:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 14:02:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:44,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:44,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:44,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:44,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-27 14:02:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:44,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 14:02:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:44,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:44,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:44,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1726 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 1641 trivial. 0 not checked. [2020-10-27 14:02:44,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395248427] [2020-10-27 14:02:44,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:44,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 14:02:44,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343472727] [2020-10-27 14:02:44,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 14:02:44,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:44,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 14:02:44,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2020-10-27 14:02:44,960 INFO L87 Difference]: Start difference. First operand 111 states and 139 transitions. Second operand 14 states. [2020-10-27 14:02:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:46,300 INFO L93 Difference]: Finished difference Result 201 states and 245 transitions. [2020-10-27 14:02:46,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 14:02:46,304 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-10-27 14:02:46,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:46,305 INFO L225 Difference]: With dead ends: 201 [2020-10-27 14:02:46,305 INFO L226 Difference]: Without dead ends: 155 [2020-10-27 14:02:46,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2020-10-27 14:02:46,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-27 14:02:46,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 119. [2020-10-27 14:02:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 14:02:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2020-10-27 14:02:46,353 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 212 [2020-10-27 14:02:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:46,354 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2020-10-27 14:02:46,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 14:02:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2020-10-27 14:02:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-27 14:02:46,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:46,356 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:46,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 14:02:46,356 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:46,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:46,356 INFO L82 PathProgramCache]: Analyzing trace with hash -759651995, now seen corresponding path program 16 times [2020-10-27 14:02:46,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:46,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752214576] [2020-10-27 14:02:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:46,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:46,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-27 14:02:51,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:02:51,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-27 14:02:51,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 14:02:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 14:02:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-27 14:02:51,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:02:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 14:02:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:02:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 14:02:51,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:02:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:02:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:02:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:02:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:02:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:02:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:02:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:02:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:02:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:02:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:02:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:02:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:02:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:02:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:02:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:02:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:02:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:02:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:02:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:02:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:02:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:02:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:02:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:02:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:02:51,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 14:02:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 14:02:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 14:02:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 14:02:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:02:51,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 14:02:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:02:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:02:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:02:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-27 14:02:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:02:51,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-27 14:02:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:51,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:51,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:51,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:02:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:02:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:02:51,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:02:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:02:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:02:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:02:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 4 proven. 100 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2020-10-27 14:02:51,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752214576] [2020-10-27 14:02:51,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:02:51,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 14:02:51,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616524280] [2020-10-27 14:02:51,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 14:02:51,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:02:51,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 14:02:51,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2020-10-27 14:02:51,924 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand 15 states. [2020-10-27 14:02:53,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:02:53,409 INFO L93 Difference]: Finished difference Result 215 states and 263 transitions. [2020-10-27 14:02:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 14:02:53,411 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 232 [2020-10-27 14:02:53,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:02:53,413 INFO L225 Difference]: With dead ends: 215 [2020-10-27 14:02:53,413 INFO L226 Difference]: Without dead ends: 167 [2020-10-27 14:02:53,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=462, Unknown=0, NotChecked=0, Total=702 [2020-10-27 14:02:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-27 14:02:53,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 127. [2020-10-27 14:02:53,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-27 14:02:53,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 161 transitions. [2020-10-27 14:02:53,451 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 161 transitions. Word has length 232 [2020-10-27 14:02:53,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:02:53,452 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 161 transitions. [2020-10-27 14:02:53,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 14:02:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2020-10-27 14:02:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-27 14:02:53,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:02:53,454 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:02:53,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 14:02:53,454 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:02:53,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:02:53,455 INFO L82 PathProgramCache]: Analyzing trace with hash 720433008, now seen corresponding path program 17 times [2020-10-27 14:02:53,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:02:53,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875638153] [2020-10-27 14:02:53,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:02:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:02:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:58,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:02:59,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:02:59,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-27 14:02:59,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:02:59,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6439 [2020-10-27 14:02:59,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:02:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 14:02:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 14:02:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 317 [2020-10-27 14:02:59,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:00,892 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 30 [2020-10-27 14:03:01,030 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-10-27 14:03:01,203 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 33 [2020-10-27 14:03:01,443 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2020-10-27 14:03:01,695 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 34 [2020-10-27 14:03:01,960 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 33 [2020-10-27 14:03:02,260 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2020-10-27 14:03:02,598 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-10-27 14:03:02,839 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 31 [2020-10-27 14:03:03,124 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-10-27 14:03:04,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:03:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:03:04,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:03:04,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:03:04,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:03:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:03:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:03:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:03:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:03:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:03:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:03:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:03:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:03:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:03:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:03:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:03:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:03:04,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 14:03:04,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 14:03:04,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:03:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:03:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:03:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:03:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:03:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:03:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:03:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:03:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:03:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:03:04,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:03:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:03:04,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:03:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:03:04,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:03:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:03:04,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:03:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:03:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:03:04,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 14:03:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:03:04,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 14:03:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:04,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 14:03:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 14:03:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 14:03:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 14:03:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 14:03:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:04,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 14:03:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:04,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-27 14:03:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-27 14:03:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:04,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:04,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:04,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:04,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:04,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:04,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2590 backedges. 127 proven. 401 refuted. 0 times theorem prover too weak. 2062 trivial. 0 not checked. [2020-10-27 14:03:04,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875638153] [2020-10-27 14:03:04,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:03:04,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 14:03:04,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745662293] [2020-10-27 14:03:04,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 14:03:04,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:03:04,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 14:03:04,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2020-10-27 14:03:04,708 INFO L87 Difference]: Start difference. First operand 127 states and 161 transitions. Second operand 30 states. [2020-10-27 14:03:09,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:03:09,834 INFO L93 Difference]: Finished difference Result 160 states and 199 transitions. [2020-10-27 14:03:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 14:03:09,835 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 252 [2020-10-27 14:03:09,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:03:09,838 INFO L225 Difference]: With dead ends: 160 [2020-10-27 14:03:09,839 INFO L226 Difference]: Without dead ends: 157 [2020-10-27 14:03:09,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 79 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=234, Invalid=1928, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 14:03:09,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-27 14:03:09,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 135. [2020-10-27 14:03:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-27 14:03:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2020-10-27 14:03:09,880 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 169 transitions. Word has length 252 [2020-10-27 14:03:09,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:03:09,881 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 169 transitions. [2020-10-27 14:03:09,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 14:03:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 169 transitions. [2020-10-27 14:03:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 14:03:09,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:03:09,883 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:03:09,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 14:03:09,884 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:03:09,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:03:09,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1585480930, now seen corresponding path program 18 times [2020-10-27 14:03:09,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:03:09,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370694930] [2020-10-27 14:03:09,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:03:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:09,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:14,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:14,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 342 [2020-10-27 14:03:14,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:03:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-27 14:03:14,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 14:03:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 14:03:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 272 [2020-10-27 14:03:14,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:03:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:03:15,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 14:03:15,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 14:03:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:03:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:15,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:03:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:03:15,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:03:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:03:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:03:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:03:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:03:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:03:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:03:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:03:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:03:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:03:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:03:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:03:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:03:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:03:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:03:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:03:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:03:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:03:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:03:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:03:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:03:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:03:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:03:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 14:03:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 14:03:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 14:03:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 14:03:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:15,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 14:03:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 14:03:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 14:03:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 14:03:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:15,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:15,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:15,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-27 14:03:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:15,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:03:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:03:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:03:15,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-27 14:03:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:15,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:03:15,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:03:15,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:03:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-27 14:03:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:15,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:15,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:15,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:15,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:15,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:03:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:03:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:03:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2610 backedges. 6 proven. 341 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2020-10-27 14:03:15,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370694930] [2020-10-27 14:03:15,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:03:15,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 14:03:15,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243060389] [2020-10-27 14:03:15,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 14:03:15,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:03:15,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 14:03:15,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2020-10-27 14:03:15,715 INFO L87 Difference]: Start difference. First operand 135 states and 169 transitions. Second operand 16 states. [2020-10-27 14:03:17,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:03:17,289 INFO L93 Difference]: Finished difference Result 241 states and 292 transitions. [2020-10-27 14:03:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 14:03:17,291 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 260 [2020-10-27 14:03:17,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:03:17,293 INFO L225 Difference]: With dead ends: 241 [2020-10-27 14:03:17,293 INFO L226 Difference]: Without dead ends: 183 [2020-10-27 14:03:17,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=279, Invalid=533, Unknown=0, NotChecked=0, Total=812 [2020-10-27 14:03:17,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-27 14:03:17,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 143. [2020-10-27 14:03:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-27 14:03:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 180 transitions. [2020-10-27 14:03:17,339 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 180 transitions. Word has length 260 [2020-10-27 14:03:17,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:03:17,340 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 180 transitions. [2020-10-27 14:03:17,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 14:03:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2020-10-27 14:03:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-27 14:03:17,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:03:17,342 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:03:17,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 14:03:17,342 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:03:17,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:03:17,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1316967085, now seen corresponding path program 19 times [2020-10-27 14:03:17,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:03:17,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269885383] [2020-10-27 14:03:17,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:03:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:17,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:17,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5222 [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 296 [2020-10-27 14:03:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:03:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:03:22,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:03:22,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 14:03:22,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:03:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:22,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 14:03:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 14:03:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:03:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:03:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 14:03:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:22,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:03:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:22,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:03:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:22,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:03:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:22,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:03:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:22,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:22,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:22,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:22,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:22,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:22,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:03:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:03:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:03:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:03:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:03:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:03:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:03:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:03:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:03:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:03:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:03:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:03:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:03:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:03:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:03:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 14:03:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 14:03:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 14:03:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 14:03:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 14:03:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 14:03:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 14:03:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 14:03:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 14:03:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:03:23,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 14:03:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-27 14:03:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:03:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:03:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:03:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:03:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-27 14:03:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:03:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:03:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:03:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-27 14:03:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:03:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:03:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:03:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-27 14:03:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:03:23,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:03:23,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:03:23,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:03:23,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:03:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:03:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:03:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:03:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 14:03:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:03:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:03:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 6 proven. 408 refuted. 0 times theorem prover too weak. 2694 trivial. 0 not checked. [2020-10-27 14:03:23,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269885383] [2020-10-27 14:03:23,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:03:23,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 14:03:23,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486976814] [2020-10-27 14:03:23,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 14:03:23,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:03:23,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 14:03:23,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=162, Unknown=0, NotChecked=0, Total=272 [2020-10-27 14:03:23,249 INFO L87 Difference]: Start difference. First operand 143 states and 180 transitions. Second operand 17 states.