/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/loop-invgen/down.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:18:11,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:18:11,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:18:12,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:18:12,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:18:12,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:18:12,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:18:12,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:18:12,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:18:12,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:18:12,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:18:12,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:18:12,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:18:12,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:18:12,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:18:12,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:18:12,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:18:12,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:18:12,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:18:12,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:18:12,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:18:12,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:18:12,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:18:12,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:18:12,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:18:12,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:18:12,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:18:12,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:18:12,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:18:12,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:18:12,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:18:12,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:18:12,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:18:12,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:18:12,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:18:12,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:18:12,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:18:12,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:18:12,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:18:12,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:18:12,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:18:12,139 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 20:18:12,168 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:18:12,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:18:12,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:18:12,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:18:12,170 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:18:12,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:18:12,171 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:18:12,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:18:12,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:18:12,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:18:12,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:18:12,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:18:12,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:18:12,172 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:18:12,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:18:12,173 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:18:12,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:18:12,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:18:12,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:18:12,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:18:12,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:18:12,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:18:12,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:18:12,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:18:12,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:18:12,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:18:12,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:18:12,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:18:12,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:18:12,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:18:12,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:18:12,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:18:12,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:18:12,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:18:12,632 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:18:12,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/down.i [2020-10-27 20:18:12,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb8c13d7e/8274cb4718354eae9d20c390e13b01c5/FLAGa4d02933f [2020-10-27 20:18:13,402 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:18:13,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/down.i [2020-10-27 20:18:13,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb8c13d7e/8274cb4718354eae9d20c390e13b01c5/FLAGa4d02933f [2020-10-27 20:18:13,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb8c13d7e/8274cb4718354eae9d20c390e13b01c5 [2020-10-27 20:18:13,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:18:13,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:18:13,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:18:13,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:18:13,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:18:13,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:18:13" (1/1) ... [2020-10-27 20:18:13,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338329c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:13, skipping insertion in model container [2020-10-27 20:18:13,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:18:13" (1/1) ... [2020-10-27 20:18:13,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:18:13,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:18:13,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:18:13,978 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:18:13,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:18:14,019 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:18:14,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14 WrapperNode [2020-10-27 20:18:14,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:18:14,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:18:14,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:18:14,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:18:14,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... [2020-10-27 20:18:14,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... [2020-10-27 20:18:14,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... [2020-10-27 20:18:14,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... [2020-10-27 20:18:14,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... [2020-10-27 20:18:14,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... [2020-10-27 20:18:14,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... [2020-10-27 20:18:14,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:18:14,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:18:14,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:18:14,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:18:14,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:18:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:18:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:18:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:18:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 20:18:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 20:18:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:18:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:18:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:18:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 20:18:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 20:18:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:18:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:18:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 20:18:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 20:18:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:18:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:18:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:18:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:18:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:18:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:18:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:18:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:18:14,603 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:18:14,605 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 20:18:14,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:18:14 BoogieIcfgContainer [2020-10-27 20:18:14,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:18:14,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:18:14,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:18:14,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:18:14,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:18:13" (1/3) ... [2020-10-27 20:18:14,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c69da10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:18:14, skipping insertion in model container [2020-10-27 20:18:14,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:18:14" (2/3) ... [2020-10-27 20:18:14,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c69da10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:18:14, skipping insertion in model container [2020-10-27 20:18:14,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:18:14" (3/3) ... [2020-10-27 20:18:14,622 INFO L111 eAbstractionObserver]: Analyzing ICFG down.i [2020-10-27 20:18:14,637 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:18:14,642 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:18:14,657 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:18:14,720 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:18:14,720 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:18:14,721 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:18:14,721 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:18:14,721 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:18:14,721 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:18:14,721 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:18:14,721 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:18:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-27 20:18:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 20:18:14,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:14,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:14,756 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:14,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:14,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1619931850, now seen corresponding path program 1 times [2020-10-27 20:18:14,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:14,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653812591] [2020-10-27 20:18:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:15,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:15,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:15,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:18:15,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-27 20:18:15,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:18:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:18:15,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 20:18:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:15,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:15,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:15,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:15,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:15,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:18:15,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:18:15,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653812591] [2020-10-27 20:18:15,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:18:15,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:18:15,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238128400] [2020-10-27 20:18:15,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:18:15,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:15,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:18:15,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:18:15,531 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 6 states. [2020-10-27 20:18:15,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:15,807 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-10-27 20:18:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 20:18:15,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 20:18:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:15,817 INFO L225 Difference]: With dead ends: 50 [2020-10-27 20:18:15,818 INFO L226 Difference]: Without dead ends: 20 [2020-10-27 20:18:15,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:18:15,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-27 20:18:15,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-27 20:18:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-27 20:18:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-27 20:18:15,869 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2020-10-27 20:18:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:15,869 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-27 20:18:15,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:18:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-27 20:18:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 20:18:15,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:15,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:15,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:18:15,872 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:15,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash 869637850, now seen corresponding path program 1 times [2020-10-27 20:18:15,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:15,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756440847] [2020-10-27 20:18:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:15,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:16,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:16,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:18:16,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-27 20:18:16,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:18:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:18:16,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:16,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:16,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:16,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:16,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:16,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:18:16,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:16,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:18:16,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756440847] [2020-10-27 20:18:16,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:18:16,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 20:18:16,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087440350] [2020-10-27 20:18:16,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 20:18:16,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:16,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 20:18:16,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:18:16,316 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 7 states. [2020-10-27 20:18:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:16,598 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-10-27 20:18:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:18:16,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-27 20:18:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:16,601 INFO L225 Difference]: With dead ends: 34 [2020-10-27 20:18:16,602 INFO L226 Difference]: Without dead ends: 30 [2020-10-27 20:18:16,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:18:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-27 20:18:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2020-10-27 20:18:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 20:18:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-27 20:18:16,618 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 16 [2020-10-27 20:18:16,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:16,618 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-27 20:18:16,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 20:18:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-27 20:18:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 20:18:16,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:16,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:16,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:18:16,620 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:16,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:16,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1169273237, now seen corresponding path program 1 times [2020-10-27 20:18:16,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:16,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749163927] [2020-10-27 20:18:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:16,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:16,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:16,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:18:16,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:16,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-27 20:18:16,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:18:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:18:16,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:16,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:16,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:16,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:16,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:16,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:18:16,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:16,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:16,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:18:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:16,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:16,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:16,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:16,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:16,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:16,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:16,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:18:16,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749163927] [2020-10-27 20:18:16,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:16,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 20:18:16,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118971070] [2020-10-27 20:18:16,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:18:16,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:16,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:18:16,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:18:16,960 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 8 states. [2020-10-27 20:18:17,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:17,222 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-10-27 20:18:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:18:17,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-27 20:18:17,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:17,226 INFO L225 Difference]: With dead ends: 43 [2020-10-27 20:18:17,226 INFO L226 Difference]: Without dead ends: 27 [2020-10-27 20:18:17,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:18:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-27 20:18:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-27 20:18:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-27 20:18:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-27 20:18:17,237 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 23 [2020-10-27 20:18:17,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:17,238 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-27 20:18:17,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:18:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-27 20:18:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 20:18:17,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:17,239 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:17,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:18:17,240 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:17,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:17,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1584685255, now seen corresponding path program 2 times [2020-10-27 20:18:17,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:17,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173737078] [2020-10-27 20:18:17,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:17,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:17,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:17,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 20:18:17,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:17,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 20:18:17,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:18:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 20:18:17,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:18:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:17,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:17,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:17,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:17,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:17,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:18:17,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:17,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:18:17,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:18:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:17,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:17,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:17,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:17,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:17,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:18:17,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:17,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:17,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:17,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:17,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:18:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:18:17,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173737078] [2020-10-27 20:18:17,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:17,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 20:18:17,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115610486] [2020-10-27 20:18:17,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:18:17,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:17,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:18:17,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:18:17,551 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 8 states. [2020-10-27 20:18:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:17,859 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-27 20:18:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 20:18:17,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-27 20:18:17,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:17,862 INFO L225 Difference]: With dead ends: 42 [2020-10-27 20:18:17,862 INFO L226 Difference]: Without dead ends: 38 [2020-10-27 20:18:17,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:18:17,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-27 20:18:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2020-10-27 20:18:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 20:18:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-27 20:18:17,873 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 24 [2020-10-27 20:18:17,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:17,874 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-27 20:18:17,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:18:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-27 20:18:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 20:18:17,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:17,875 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:17,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:18:17,876 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:17,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:17,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1412736938, now seen corresponding path program 3 times [2020-10-27 20:18:17,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:17,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629936201] [2020-10-27 20:18:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:17,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:18:18,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 20:18:18,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:18:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:18:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:18,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:18,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:18,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:18,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:18:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:18,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:18,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:18,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:18,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:18:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:18,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:18,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:18,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:18:18,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629936201] [2020-10-27 20:18:18,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:18,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 20:18:18,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185757017] [2020-10-27 20:18:18,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:18:18,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:18,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:18:18,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:18:18,176 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 10 states. [2020-10-27 20:18:18,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:18,529 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2020-10-27 20:18:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:18:18,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-10-27 20:18:18,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:18,531 INFO L225 Difference]: With dead ends: 54 [2020-10-27 20:18:18,531 INFO L226 Difference]: Without dead ends: 35 [2020-10-27 20:18:18,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:18:18,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-27 20:18:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-27 20:18:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 20:18:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-10-27 20:18:18,542 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 31 [2020-10-27 20:18:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:18,542 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-10-27 20:18:18,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:18:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-10-27 20:18:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 20:18:18,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:18,543 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:18,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:18:18,544 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:18,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:18,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1967088122, now seen corresponding path program 4 times [2020-10-27 20:18:18,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:18,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882377429] [2020-10-27 20:18:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:18,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 20:18:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 20:18:18,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 20:18:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 20:18:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:18,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:18,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:18:18,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:18,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:18,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:18:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:18,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:18,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:18:18,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 20:18:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:18,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:18,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:18,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:18,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:18,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:18,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:18,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:18,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:18:18,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882377429] [2020-10-27 20:18:18,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:18,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 20:18:18,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885481843] [2020-10-27 20:18:18,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:18:18,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:18,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:18:18,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:18:18,898 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 9 states. [2020-10-27 20:18:19,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:19,229 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2020-10-27 20:18:19,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 20:18:19,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2020-10-27 20:18:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:19,232 INFO L225 Difference]: With dead ends: 50 [2020-10-27 20:18:19,232 INFO L226 Difference]: Without dead ends: 46 [2020-10-27 20:18:19,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:18:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-27 20:18:19,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-10-27 20:18:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 20:18:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-27 20:18:19,244 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 32 [2020-10-27 20:18:19,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:19,244 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-27 20:18:19,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:18:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-27 20:18:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 20:18:19,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:19,246 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:19,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:18:19,246 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:19,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:19,247 INFO L82 PathProgramCache]: Analyzing trace with hash -847500683, now seen corresponding path program 5 times [2020-10-27 20:18:19,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:19,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892706295] [2020-10-27 20:18:19,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:19,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:19,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:19,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 20:18:19,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:19,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 20:18:19,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:19,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:18:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 20:18:19,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:19,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:19,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:19,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:19,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:19,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:19,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:19,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:19,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:19,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:18:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:19,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:19,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:19,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:19,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:19,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:19,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:19,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:19,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:19,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:19,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 20:18:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:19,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:19,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:19,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:19,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:19,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:19,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:18:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:19,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:19,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:19,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:19,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-27 20:18:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 20:18:19,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892706295] [2020-10-27 20:18:19,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:19,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 20:18:19,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475017552] [2020-10-27 20:18:19,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:18:19,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:19,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:18:19,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:18:19,589 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 12 states. [2020-10-27 20:18:20,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:20,083 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2020-10-27 20:18:20,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:18:20,083 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2020-10-27 20:18:20,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:20,086 INFO L225 Difference]: With dead ends: 65 [2020-10-27 20:18:20,087 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 20:18:20,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:18:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 20:18:20,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 20:18:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 20:18:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-27 20:18:20,101 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 39 [2020-10-27 20:18:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:20,102 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-27 20:18:20,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:18:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-27 20:18:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 20:18:20,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:20,104 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:20,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 20:18:20,104 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:20,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1185828889, now seen corresponding path program 6 times [2020-10-27 20:18:20,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:20,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731455975] [2020-10-27 20:18:20,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:20,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 20:18:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-27 20:18:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 20:18:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 20:18:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:20,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:20,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:20,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:20,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:20,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:20,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:20,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:18:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:20,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:20,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:20,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:20,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:18:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:20,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:20,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:20,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:20,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:20,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:20,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:20,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:20,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:20,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:20,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:18:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:20,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:20,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:20,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:20,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:20,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:20,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:20,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:20,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:20,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:20,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 20:18:20,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731455975] [2020-10-27 20:18:20,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:20,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 20:18:20,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081135693] [2020-10-27 20:18:20,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:18:20,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:20,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:18:20,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:18:20,582 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 10 states. [2020-10-27 20:18:21,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:21,003 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2020-10-27 20:18:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:18:21,004 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-10-27 20:18:21,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:21,005 INFO L225 Difference]: With dead ends: 58 [2020-10-27 20:18:21,005 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 20:18:21,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:18:21,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 20:18:21,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2020-10-27 20:18:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 20:18:21,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-10-27 20:18:21,026 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 40 [2020-10-27 20:18:21,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:21,027 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-10-27 20:18:21,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:18:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-10-27 20:18:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 20:18:21,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:21,028 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:21,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 20:18:21,029 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:21,029 INFO L82 PathProgramCache]: Analyzing trace with hash 273279862, now seen corresponding path program 7 times [2020-10-27 20:18:21,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:21,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [204811028] [2020-10-27 20:18:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:21,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:21,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:21,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 20:18:21,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-27 20:18:21,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 20:18:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 20:18:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:21,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:21,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:21,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:21,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:21,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:21,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:21,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:21,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:18:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:21,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:21,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:21,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:21,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:21,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:21,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:18:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:21,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:21,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:21,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:21,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:21,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:21,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:21,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:18:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:21,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:21,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:21,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:21,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:21,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:18:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:21,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:21,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:21,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:21,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:21,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 20:18:21,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [204811028] [2020-10-27 20:18:21,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:21,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 20:18:21,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620314913] [2020-10-27 20:18:21,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 20:18:21,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:21,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 20:18:21,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:18:21,436 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 14 states. [2020-10-27 20:18:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:22,045 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2020-10-27 20:18:22,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:18:22,047 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 47 [2020-10-27 20:18:22,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:22,049 INFO L225 Difference]: With dead ends: 76 [2020-10-27 20:18:22,049 INFO L226 Difference]: Without dead ends: 51 [2020-10-27 20:18:22,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2020-10-27 20:18:22,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-27 20:18:22,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-27 20:18:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-27 20:18:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-27 20:18:22,061 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 47 [2020-10-27 20:18:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:22,061 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-27 20:18:22,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 20:18:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-27 20:18:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-27 20:18:22,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:22,063 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:22,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 20:18:22,063 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:22,064 INFO L82 PathProgramCache]: Analyzing trace with hash 392047898, now seen corresponding path program 8 times [2020-10-27 20:18:22,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:22,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907546363] [2020-10-27 20:18:22,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:22,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:22,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:22,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 20:18:22,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-27 20:18:22,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 20:18:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 20:18:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:22,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:22,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:22,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:22,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:22,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:22,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:22,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:22,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:18:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:22,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:22,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:22,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:22,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:22,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:22,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:22,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:18:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:22,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:22,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:22,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:22,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:22,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:22,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:22,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:18:22,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:18:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:22,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:22,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:22,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:22,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:22,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:22,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:22,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:18:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:22,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:22,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:22,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:22,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:22,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:22,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:22,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 20:18:22,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907546363] [2020-10-27 20:18:22,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:22,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:18:22,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663931137] [2020-10-27 20:18:22,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:18:22,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:22,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:18:22,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:18:22,564 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 11 states. [2020-10-27 20:18:22,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:22,983 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2020-10-27 20:18:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:18:22,983 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-10-27 20:18:22,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:22,985 INFO L225 Difference]: With dead ends: 66 [2020-10-27 20:18:22,985 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 20:18:22,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:18:22,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 20:18:23,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2020-10-27 20:18:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 20:18:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions. [2020-10-27 20:18:23,011 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 48 [2020-10-27 20:18:23,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:23,011 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions. [2020-10-27 20:18:23,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:18:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2020-10-27 20:18:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 20:18:23,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:23,016 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:23,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 20:18:23,017 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:23,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1202152619, now seen corresponding path program 9 times [2020-10-27 20:18:23,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:23,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498012893] [2020-10-27 20:18:23,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:23,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:23,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:23,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 20:18:23,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:23,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-27 20:18:23,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 20:18:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 20:18:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:18:23,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:23,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:23,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:23,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:23,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:23,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:23,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:18:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:23,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:23,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:23,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:23,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:23,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:23,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:23,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:23,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:18:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:23,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:23,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:23,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:18:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:23,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:23,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:23,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:23,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:23,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:23,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:23,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:18:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:23,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:23,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:23,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:23,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:23,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:23,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:23,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:18:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:23,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:23,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:23,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:23,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 20:18:23,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498012893] [2020-10-27 20:18:23,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:23,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 20:18:23,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051918806] [2020-10-27 20:18:23,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:18:23,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:23,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:18:23,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:18:23,641 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand 16 states. [2020-10-27 20:18:24,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:24,255 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2020-10-27 20:18:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:18:24,256 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2020-10-27 20:18:24,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:24,257 INFO L225 Difference]: With dead ends: 87 [2020-10-27 20:18:24,257 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 20:18:24,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2020-10-27 20:18:24,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 20:18:24,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-27 20:18:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 20:18:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2020-10-27 20:18:24,283 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 55 [2020-10-27 20:18:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:24,284 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2020-10-27 20:18:24,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 20:18:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2020-10-27 20:18:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 20:18:24,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:24,288 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:24,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 20:18:24,288 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:24,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:24,289 INFO L82 PathProgramCache]: Analyzing trace with hash -948766471, now seen corresponding path program 10 times [2020-10-27 20:18:24,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:24,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717921286] [2020-10-27 20:18:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:24,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:24,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:24,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 20:18:24,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-27 20:18:24,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 20:18:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 20:18:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:24,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:24,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:24,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:24,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:24,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:24,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:24,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:24,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:18:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:24,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:24,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:24,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:24,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:24,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:18:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:24,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:24,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:24,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:24,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:24,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:24,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:24,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:24,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:18:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:24,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:24,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:24,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:24,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:24,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:24,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:24,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:24,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:24,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:24,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:24,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:18:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:24,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:24,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:24,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:24,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:18:24,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:18:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:24,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:24,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:24,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:24,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:24,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:24,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:24,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 31 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 20:18:24,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717921286] [2020-10-27 20:18:24,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:24,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 20:18:24,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840729675] [2020-10-27 20:18:24,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:18:24,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:24,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:18:24,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:18:24,834 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 12 states. [2020-10-27 20:18:25,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:25,349 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2020-10-27 20:18:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 20:18:25,349 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2020-10-27 20:18:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:25,351 INFO L225 Difference]: With dead ends: 74 [2020-10-27 20:18:25,351 INFO L226 Difference]: Without dead ends: 70 [2020-10-27 20:18:25,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:18:25,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-27 20:18:25,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2020-10-27 20:18:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 20:18:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-27 20:18:25,363 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 56 [2020-10-27 20:18:25,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:25,363 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-27 20:18:25,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:18:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-27 20:18:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 20:18:25,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:25,365 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:25,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 20:18:25,365 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:25,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:25,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1786804586, now seen corresponding path program 11 times [2020-10-27 20:18:25,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:25,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43891500] [2020-10-27 20:18:25,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:25,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:25,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:25,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 20:18:25,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:25,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-27 20:18:25,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 20:18:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 20:18:25,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:25,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:25,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:25,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:25,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:25,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:25,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:25,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:25,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:25,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:25,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:25,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:25,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:18:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:25,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:25,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:25,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:25,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:25,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:25,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:18:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:25,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:25,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:25,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:25,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:25,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:25,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:25,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:18:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:25,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:25,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:25,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:25,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:25,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:25,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:25,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:25,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:25,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:18:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:25,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:25,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:25,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:25,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:25,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:26,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:26,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:26,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:26,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 18 [2020-10-27 20:18:26,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:18:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:26,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:26,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:26,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:26,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:26,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:26,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:18:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:26,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:26,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:26,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:26,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:26,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:26,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 20:18:26,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43891500] [2020-10-27 20:18:26,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:26,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:18:26,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306136416] [2020-10-27 20:18:26,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:18:26,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:26,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:18:26,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:18:26,043 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 18 states. [2020-10-27 20:18:26,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:26,812 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2020-10-27 20:18:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:18:26,813 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 63 [2020-10-27 20:18:26,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:26,814 INFO L225 Difference]: With dead ends: 98 [2020-10-27 20:18:26,814 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 20:18:26,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=249, Invalid=807, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 20:18:26,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 20:18:26,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-27 20:18:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-27 20:18:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2020-10-27 20:18:26,836 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 63 [2020-10-27 20:18:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:26,836 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2020-10-27 20:18:26,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:18:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2020-10-27 20:18:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 20:18:26,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:26,838 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:26,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 20:18:26,839 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:26,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:26,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1027342278, now seen corresponding path program 12 times [2020-10-27 20:18:26,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:26,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [402266266] [2020-10-27 20:18:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:26,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 20:18:27,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-27 20:18:27,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 20:18:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 20:18:27,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:27,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:27,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:27,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:27,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:27,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 20:18:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:27,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:27,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:18:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:27,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:27,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:27,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:18:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:27,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:18:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:27,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:27,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:27,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:18:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:27,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:27,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:18:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:27,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:27,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:27,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:27,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:27,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 20:18:27,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [402266266] [2020-10-27 20:18:27,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:27,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:18:27,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460771520] [2020-10-27 20:18:27,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:18:27,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:27,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:18:27,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:18:27,402 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 13 states. [2020-10-27 20:18:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:27,893 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2020-10-27 20:18:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:18:27,894 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 64 [2020-10-27 20:18:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:27,895 INFO L225 Difference]: With dead ends: 82 [2020-10-27 20:18:27,895 INFO L226 Difference]: Without dead ends: 78 [2020-10-27 20:18:27,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-27 20:18:27,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-27 20:18:27,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2020-10-27 20:18:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 20:18:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2020-10-27 20:18:27,907 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 64 [2020-10-27 20:18:27,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:27,907 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2020-10-27 20:18:27,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:18:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2020-10-27 20:18:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 20:18:27,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:27,909 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:27,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 20:18:27,909 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:27,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:27,910 INFO L82 PathProgramCache]: Analyzing trace with hash -176880587, now seen corresponding path program 13 times [2020-10-27 20:18:27,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:27,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625214250] [2020-10-27 20:18:27,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:27,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 20:18:28,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-27 20:18:28,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 20:18:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 20:18:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:28,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:28,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:28,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 20:18:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:28,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:28,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:28,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:18:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:28,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:28,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:28,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:18:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:28,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:28,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:18:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:28,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:28,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:18:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:28,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:28,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:18:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:28,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:28,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:28,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:18:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:28,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:28,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:28,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:28,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 91 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 20:18:28,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625214250] [2020-10-27 20:18:28,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:28,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 20:18:28,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937612813] [2020-10-27 20:18:28,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 20:18:28,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:28,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 20:18:28,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:18:28,681 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 20 states. [2020-10-27 20:18:29,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:29,523 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2020-10-27 20:18:29,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 20:18:29,525 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 71 [2020-10-27 20:18:29,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:29,528 INFO L225 Difference]: With dead ends: 109 [2020-10-27 20:18:29,528 INFO L226 Difference]: Without dead ends: 75 [2020-10-27 20:18:29,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=307, Invalid=1025, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 20:18:29,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-27 20:18:29,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-27 20:18:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-27 20:18:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-27 20:18:29,547 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 71 [2020-10-27 20:18:29,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:29,547 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-27 20:18:29,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 20:18:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-27 20:18:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-27 20:18:29,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:29,549 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:29,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 20:18:29,550 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:29,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:29,550 INFO L82 PathProgramCache]: Analyzing trace with hash -217605671, now seen corresponding path program 14 times [2020-10-27 20:18:29,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:29,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789758467] [2020-10-27 20:18:29,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:29,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 20:18:30,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-27 20:18:30,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 20:18:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 20:18:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:30,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:30,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 20:18:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:30,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:30,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:30,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 20:18:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:30,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:30,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:18:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:30,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:30,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:30,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:30,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:18:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:30,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:18:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:30,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:30,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:18:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:30,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:30,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:30,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:18:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:30,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:30,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:30,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 50 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 20:18:30,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789758467] [2020-10-27 20:18:30,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:30,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 20:18:30,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748727869] [2020-10-27 20:18:30,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 20:18:30,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:30,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 20:18:30,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:18:30,278 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 14 states. [2020-10-27 20:18:30,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:30,853 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2020-10-27 20:18:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:18:30,853 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 72 [2020-10-27 20:18:30,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:30,855 INFO L225 Difference]: With dead ends: 90 [2020-10-27 20:18:30,855 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 20:18:30,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2020-10-27 20:18:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 20:18:30,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2020-10-27 20:18:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-27 20:18:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2020-10-27 20:18:30,867 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 72 [2020-10-27 20:18:30,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:30,868 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2020-10-27 20:18:30,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 20:18:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2020-10-27 20:18:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-27 20:18:30,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:30,869 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:30,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 20:18:30,869 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:30,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:30,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1669453386, now seen corresponding path program 15 times [2020-10-27 20:18:30,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:30,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651033954] [2020-10-27 20:18:30,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:30,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 20:18:31,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-27 20:18:31,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 20:18:31,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 20:18:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:31,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:31,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 20:18:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:31,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 20:18:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:31,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:18:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:31,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:18:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:31,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:18:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:31,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:18:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:31,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:18:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:31,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:18:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:31,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:31,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 116 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-27 20:18:31,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651033954] [2020-10-27 20:18:31,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:31,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 20:18:31,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851655320] [2020-10-27 20:18:31,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 20:18:31,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:31,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 20:18:31,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:18:31,729 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 22 states. [2020-10-27 20:18:32,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:32,817 INFO L93 Difference]: Finished difference Result 120 states and 130 transitions. [2020-10-27 20:18:32,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 20:18:32,818 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 79 [2020-10-27 20:18:32,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:32,819 INFO L225 Difference]: With dead ends: 120 [2020-10-27 20:18:32,819 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 20:18:32,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=371, Invalid=1269, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 20:18:32,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 20:18:32,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-27 20:18:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 20:18:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2020-10-27 20:18:32,833 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 79 [2020-10-27 20:18:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:32,833 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2020-10-27 20:18:32,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 20:18:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2020-10-27 20:18:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 20:18:32,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:32,834 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:32,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 20:18:32,835 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1199383718, now seen corresponding path program 16 times [2020-10-27 20:18:32,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:32,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131180642] [2020-10-27 20:18:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 20:18:33,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 480 [2020-10-27 20:18:33,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 20:18:33,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:33,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 20:18:33,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:33,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:18:33,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:33,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:33,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:18:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:18:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:33,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:18:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:33,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:18:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:33,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 20:18:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:33,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-27 20:18:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:18:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:33,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:18:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:33,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:18:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:33,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:33,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:33,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 52 proven. 109 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-27 20:18:33,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131180642] [2020-10-27 20:18:33,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:33,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:18:33,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356518092] [2020-10-27 20:18:33,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:18:33,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:33,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:18:33,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:18:33,585 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 15 states. [2020-10-27 20:18:34,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:34,230 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-10-27 20:18:34,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:18:34,230 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 80 [2020-10-27 20:18:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:34,231 INFO L225 Difference]: With dead ends: 95 [2020-10-27 20:18:34,232 INFO L226 Difference]: Without dead ends: 91 [2020-10-27 20:18:34,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2020-10-27 20:18:34,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-27 20:18:34,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2020-10-27 20:18:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-27 20:18:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-27 20:18:34,246 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 80 [2020-10-27 20:18:34,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:34,246 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-27 20:18:34,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:18:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-27 20:18:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 20:18:34,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:34,248 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:34,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 20:18:34,248 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:34,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:34,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1266640149, now seen corresponding path program 17 times [2020-10-27 20:18:34,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:34,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [364696656] [2020-10-27 20:18:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:34,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 20:18:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-27 20:18:34,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 20:18:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 20:18:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:18:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:18:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:18:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:18:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 20:18:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:18:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:18:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:18:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 20:18:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:35,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:35,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:35,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:35,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:35,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:35,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 144 proven. 45 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 20:18:35,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [364696656] [2020-10-27 20:18:35,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:35,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 20:18:35,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809437587] [2020-10-27 20:18:35,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 20:18:35,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:35,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 20:18:35,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-27 20:18:35,230 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 24 states. [2020-10-27 20:18:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:36,526 INFO L93 Difference]: Finished difference Result 131 states and 142 transitions. [2020-10-27 20:18:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 20:18:36,526 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 87 [2020-10-27 20:18:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:36,527 INFO L225 Difference]: With dead ends: 131 [2020-10-27 20:18:36,528 INFO L226 Difference]: Without dead ends: 91 [2020-10-27 20:18:36,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=441, Invalid=1539, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 20:18:36,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-27 20:18:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-27 20:18:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-27 20:18:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 92 transitions. [2020-10-27 20:18:36,542 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 92 transitions. Word has length 87 [2020-10-27 20:18:36,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:36,542 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 92 transitions. [2020-10-27 20:18:36,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 20:18:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2020-10-27 20:18:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 20:18:36,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:36,544 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:36,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 20:18:36,544 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:36,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:36,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1880765113, now seen corresponding path program 18 times [2020-10-27 20:18:36,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:36,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1549678168] [2020-10-27 20:18:36,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:36,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 20:18:37,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 605 [2020-10-27 20:18:37,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 20:18:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 20:18:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:37,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:37,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:37,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 20:18:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:18:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:18:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 20:18:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:18:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:18:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 20:18:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:37,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:18:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:18:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:37,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:37,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:37,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:37,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 73 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 20:18:37,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1549678168] [2020-10-27 20:18:37,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:37,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 20:18:37,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449414834] [2020-10-27 20:18:37,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:18:37,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:37,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:18:37,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:18:37,448 INFO L87 Difference]: Start difference. First operand 91 states and 92 transitions. Second operand 16 states. [2020-10-27 20:18:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:38,205 INFO L93 Difference]: Finished difference Result 106 states and 108 transitions. [2020-10-27 20:18:38,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 20:18:38,206 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2020-10-27 20:18:38,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:38,207 INFO L225 Difference]: With dead ends: 106 [2020-10-27 20:18:38,207 INFO L226 Difference]: Without dead ends: 102 [2020-10-27 20:18:38,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:18:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-27 20:18:38,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2020-10-27 20:18:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-27 20:18:38,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2020-10-27 20:18:38,234 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 88 [2020-10-27 20:18:38,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:38,235 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2020-10-27 20:18:38,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 20:18:38,235 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2020-10-27 20:18:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 20:18:38,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:38,237 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:38,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 20:18:38,237 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:38,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:38,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1054332118, now seen corresponding path program 19 times [2020-10-27 20:18:38,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:38,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516756435] [2020-10-27 20:18:38,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:38,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:38,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:38,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-27 20:18:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-27 20:18:38,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 20:18:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 20:18:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:39,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:39,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:39,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 20:18:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:18:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:18:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 20:18:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:18:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:18:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 20:18:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:18:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:18:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:39,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:18:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:39,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:39,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:39,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:39,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 175 proven. 55 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-27 20:18:39,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516756435] [2020-10-27 20:18:39,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:39,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 20:18:39,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22459742] [2020-10-27 20:18:39,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 20:18:39,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:39,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 20:18:39,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-27 20:18:39,408 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 26 states. [2020-10-27 20:18:40,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:40,855 INFO L93 Difference]: Finished difference Result 142 states and 154 transitions. [2020-10-27 20:18:40,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 20:18:40,855 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 95 [2020-10-27 20:18:40,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:40,857 INFO L225 Difference]: With dead ends: 142 [2020-10-27 20:18:40,858 INFO L226 Difference]: Without dead ends: 99 [2020-10-27 20:18:40,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=517, Invalid=1835, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 20:18:40,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-27 20:18:40,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-10-27 20:18:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-27 20:18:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2020-10-27 20:18:40,873 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 100 transitions. Word has length 95 [2020-10-27 20:18:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:40,873 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 100 transitions. [2020-10-27 20:18:40,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 20:18:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2020-10-27 20:18:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 20:18:40,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:40,874 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:40,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 20:18:40,875 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:40,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:40,875 INFO L82 PathProgramCache]: Analyzing trace with hash -231948678, now seen corresponding path program 20 times [2020-10-27 20:18:40,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:40,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972264465] [2020-10-27 20:18:40,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 20:18:41,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-27 20:18:41,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 20:18:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 20:18:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:41,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:41,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:18:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:18:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:18:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:18:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:18:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 20:18:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:18:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 20:18:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:41,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 20:18:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:18:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:41,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:41,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:41,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:41,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:41,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:41,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:41,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 86 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-27 20:18:41,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972264465] [2020-10-27 20:18:41,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:41,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 20:18:41,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172678804] [2020-10-27 20:18:41,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 20:18:41,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:41,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 20:18:41,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:18:41,899 INFO L87 Difference]: Start difference. First operand 99 states and 100 transitions. Second operand 17 states. [2020-10-27 20:18:42,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:42,706 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2020-10-27 20:18:42,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:18:42,709 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 96 [2020-10-27 20:18:42,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:42,710 INFO L225 Difference]: With dead ends: 114 [2020-10-27 20:18:42,710 INFO L226 Difference]: Without dead ends: 110 [2020-10-27 20:18:42,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=700, Unknown=0, NotChecked=0, Total=992 [2020-10-27 20:18:42,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-27 20:18:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2020-10-27 20:18:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 20:18:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 107 transitions. [2020-10-27 20:18:42,732 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 107 transitions. Word has length 96 [2020-10-27 20:18:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:42,732 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 107 transitions. [2020-10-27 20:18:42,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 20:18:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 107 transitions. [2020-10-27 20:18:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-27 20:18:42,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:42,734 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:42,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 20:18:42,734 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:42,735 INFO L82 PathProgramCache]: Analyzing trace with hash 950386165, now seen corresponding path program 21 times [2020-10-27 20:18:42,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:42,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396036262] [2020-10-27 20:18:42,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:43,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:43,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 20:18:43,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-27 20:18:43,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:43,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 20:18:43,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 20:18:43,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:43,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:43,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:43,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:18:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:43,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:43,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:18:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:18:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:44,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:18:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:18:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 20:18:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:18:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 20:18:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 20:18:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:18:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:44,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 20:18:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:44,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:44,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:44,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 209 proven. 66 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 20:18:44,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396036262] [2020-10-27 20:18:44,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:44,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 20:18:44,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335928362] [2020-10-27 20:18:44,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 20:18:44,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:44,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 20:18:44,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-27 20:18:44,086 INFO L87 Difference]: Start difference. First operand 106 states and 107 transitions. Second operand 28 states. [2020-10-27 20:18:45,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:45,659 INFO L93 Difference]: Finished difference Result 153 states and 166 transitions. [2020-10-27 20:18:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 20:18:45,661 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 103 [2020-10-27 20:18:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:45,663 INFO L225 Difference]: With dead ends: 153 [2020-10-27 20:18:45,663 INFO L226 Difference]: Without dead ends: 107 [2020-10-27 20:18:45,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=599, Invalid=2157, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 20:18:45,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-27 20:18:45,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-27 20:18:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-27 20:18:45,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 108 transitions. [2020-10-27 20:18:45,678 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 108 transitions. Word has length 103 [2020-10-27 20:18:45,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:45,678 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 108 transitions. [2020-10-27 20:18:45,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 20:18:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2020-10-27 20:18:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-27 20:18:45,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:45,680 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:45,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 20:18:45,680 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:45,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:45,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1663515751, now seen corresponding path program 22 times [2020-10-27 20:18:45,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:45,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636488115] [2020-10-27 20:18:45,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:45,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 20:18:46,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-27 20:18:46,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 20:18:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 20:18:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:46,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:18:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:18:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:46,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:18:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:18:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:18:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:18:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:18:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:18:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:18:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 20:18:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 20:18:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:46,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:46,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:46,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:46,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:46,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:46,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:46,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 100 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 20:18:46,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636488115] [2020-10-27 20:18:46,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:46,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:18:46,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287216836] [2020-10-27 20:18:46,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:18:46,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:46,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:18:46,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:18:46,792 INFO L87 Difference]: Start difference. First operand 107 states and 108 transitions. Second operand 18 states. [2020-10-27 20:18:47,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:47,635 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2020-10-27 20:18:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:18:47,636 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 104 [2020-10-27 20:18:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:47,638 INFO L225 Difference]: With dead ends: 122 [2020-10-27 20:18:47,638 INFO L226 Difference]: Without dead ends: 118 [2020-10-27 20:18:47,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=329, Invalid=727, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 20:18:47,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-27 20:18:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2020-10-27 20:18:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-27 20:18:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 115 transitions. [2020-10-27 20:18:47,653 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 115 transitions. Word has length 104 [2020-10-27 20:18:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:47,653 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 115 transitions. [2020-10-27 20:18:47,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:18:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 115 transitions. [2020-10-27 20:18:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 20:18:47,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:47,654 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:47,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 20:18:47,655 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:47,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:47,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1855883254, now seen corresponding path program 23 times [2020-10-27 20:18:47,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:47,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897159124] [2020-10-27 20:18:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:47,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:48,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:48,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 20:18:48,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 803 [2020-10-27 20:18:48,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 20:18:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 20:18:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:49,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:49,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:49,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:18:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:18:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:18:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:18:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:49,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:18:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:18:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:18:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:18:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:18:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 20:18:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:18:49,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 20:18:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 20:18:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:49,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:49,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:49,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 246 proven. 78 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-27 20:18:49,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897159124] [2020-10-27 20:18:49,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:49,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 20:18:49,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948946017] [2020-10-27 20:18:49,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 20:18:49,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:49,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 20:18:49,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:18:49,155 INFO L87 Difference]: Start difference. First operand 114 states and 115 transitions. Second operand 30 states. [2020-10-27 20:18:50,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:50,928 INFO L93 Difference]: Finished difference Result 164 states and 178 transitions. [2020-10-27 20:18:50,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 20:18:50,929 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 111 [2020-10-27 20:18:50,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:50,930 INFO L225 Difference]: With dead ends: 164 [2020-10-27 20:18:50,930 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 20:18:50,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=687, Invalid=2505, Unknown=0, NotChecked=0, Total=3192 [2020-10-27 20:18:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 20:18:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-27 20:18:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-27 20:18:50,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2020-10-27 20:18:50,946 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 111 [2020-10-27 20:18:50,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:50,946 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2020-10-27 20:18:50,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 20:18:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2020-10-27 20:18:50,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 20:18:50,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:50,947 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:50,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 20:18:50,948 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:50,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:50,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1104390554, now seen corresponding path program 24 times [2020-10-27 20:18:50,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:50,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22401641] [2020-10-27 20:18:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:50,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:51,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 20:18:51,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 779 [2020-10-27 20:18:51,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 20:18:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 20:18:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:51,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:51,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:51,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:51,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:18:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:52,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:18:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:18:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:18:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:18:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:18:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:18:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 20:18:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 20:18:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:18:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 20:18:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 20:18:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:52,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:52,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:52,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:52,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:52,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 115 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-27 20:18:52,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22401641] [2020-10-27 20:18:52,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:52,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 20:18:52,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498168266] [2020-10-27 20:18:52,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 20:18:52,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:52,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 20:18:52,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2020-10-27 20:18:52,095 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 19 states. [2020-10-27 20:18:52,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:52,970 INFO L93 Difference]: Finished difference Result 130 states and 132 transitions. [2020-10-27 20:18:52,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 20:18:52,971 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2020-10-27 20:18:52,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:52,972 INFO L225 Difference]: With dead ends: 130 [2020-10-27 20:18:52,972 INFO L226 Difference]: Without dead ends: 126 [2020-10-27 20:18:52,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=379, Invalid=881, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 20:18:52,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-27 20:18:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 122. [2020-10-27 20:18:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-27 20:18:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2020-10-27 20:18:52,988 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 112 [2020-10-27 20:18:52,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:52,989 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2020-10-27 20:18:52,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 20:18:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2020-10-27 20:18:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-27 20:18:52,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:52,990 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:52,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-27 20:18:52,990 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:52,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:52,991 INFO L82 PathProgramCache]: Analyzing trace with hash -761917739, now seen corresponding path program 25 times [2020-10-27 20:18:52,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:52,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770531918] [2020-10-27 20:18:52,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:53,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:53,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:53,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 20:18:53,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 806 [2020-10-27 20:18:53,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 20:18:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 20:18:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:54,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:18:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:18:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:18:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:18:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:18:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:18:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:54,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:18:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:54,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 20:18:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 20:18:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:18:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 20:18:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:54,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 20:18:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 20:18:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:54,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:54,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:54,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:54,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:54,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:54,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:54,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:54,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:54,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 286 proven. 91 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-27 20:18:54,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770531918] [2020-10-27 20:18:54,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:54,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-27 20:18:54,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764845869] [2020-10-27 20:18:54,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-27 20:18:54,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:54,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-27 20:18:54,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2020-10-27 20:18:54,483 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand 32 states. [2020-10-27 20:18:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:56,471 INFO L93 Difference]: Finished difference Result 175 states and 190 transitions. [2020-10-27 20:18:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 20:18:56,471 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 119 [2020-10-27 20:18:56,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:56,473 INFO L225 Difference]: With dead ends: 175 [2020-10-27 20:18:56,473 INFO L226 Difference]: Without dead ends: 123 [2020-10-27 20:18:56,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=781, Invalid=2879, Unknown=0, NotChecked=0, Total=3660 [2020-10-27 20:18:56,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-27 20:18:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-10-27 20:18:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-27 20:18:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2020-10-27 20:18:56,493 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 119 [2020-10-27 20:18:56,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:56,494 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2020-10-27 20:18:56,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-27 20:18:56,494 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2020-10-27 20:18:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 20:18:56,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:56,495 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:56,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-27 20:18:56,495 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:56,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1861307513, now seen corresponding path program 26 times [2020-10-27 20:18:56,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:56,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560851639] [2020-10-27 20:18:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 861 [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 20:18:57,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:18:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:18:57,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:18:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:18:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:18:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:18:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:18:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:18:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:18:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:18:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:18:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:18:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:18:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:18:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 20:18:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:18:57,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 20:18:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:57,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 20:18:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:57,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:57,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:57,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:18:57,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:57,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:18:57,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:18:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:18:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:18:57,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:18:57,754 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 131 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-27 20:18:57,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560851639] [2020-10-27 20:18:57,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:18:57,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 20:18:57,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877035637] [2020-10-27 20:18:57,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 20:18:57,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:18:57,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 20:18:57,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:18:57,756 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand 20 states. [2020-10-27 20:18:58,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:18:58,713 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2020-10-27 20:18:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 20:18:58,714 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 120 [2020-10-27 20:18:58,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:18:58,716 INFO L225 Difference]: With dead ends: 138 [2020-10-27 20:18:58,716 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 20:18:58,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=422, Invalid=910, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 20:18:58,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 20:18:58,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2020-10-27 20:18:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-27 20:18:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2020-10-27 20:18:58,732 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 120 [2020-10-27 20:18:58,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:18:58,732 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2020-10-27 20:18:58,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 20:18:58,732 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2020-10-27 20:18:58,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:18:58,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:18:58,733 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:18:58,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-27 20:18:58,734 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:18:58,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:18:58,734 INFO L82 PathProgramCache]: Analyzing trace with hash 375669526, now seen corresponding path program 27 times [2020-10-27 20:18:58,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:18:58,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124414297] [2020-10-27 20:18:58,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:18:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:18:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:18:59,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:18:59,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 20:18:59,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:18:59,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 873 [2020-10-27 20:18:59,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:18:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 20:18:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:18:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-27 20:18:59,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:00,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:00,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:00,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:19:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:19:00,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:19:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:19:00,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:19:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:00,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:19:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:19:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:19:00,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:19:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:19:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:19:00,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:19:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:00,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:19:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:19:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:19:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 20:19:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 20:19:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 20:19:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 20:19:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:00,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:00,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:00,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:00,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:00,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 329 proven. 105 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-27 20:19:00,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124414297] [2020-10-27 20:19:00,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:00,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 20:19:00,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894097278] [2020-10-27 20:19:00,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 20:19:00,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:00,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 20:19:00,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 20:19:00,444 INFO L87 Difference]: Start difference. First operand 130 states and 131 transitions. Second operand 34 states. [2020-10-27 20:19:02,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:02,654 INFO L93 Difference]: Finished difference Result 186 states and 202 transitions. [2020-10-27 20:19:02,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 20:19:02,655 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 127 [2020-10-27 20:19:02,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:02,657 INFO L225 Difference]: With dead ends: 186 [2020-10-27 20:19:02,657 INFO L226 Difference]: Without dead ends: 131 [2020-10-27 20:19:02,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=881, Invalid=3279, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 20:19:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-27 20:19:02,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-27 20:19:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-27 20:19:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 132 transitions. [2020-10-27 20:19:02,684 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 132 transitions. Word has length 127 [2020-10-27 20:19:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:02,686 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 132 transitions. [2020-10-27 20:19:02,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 20:19:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2020-10-27 20:19:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 20:19:02,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:02,691 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:02,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-27 20:19:02,691 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:02,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:02,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1913232570, now seen corresponding path program 28 times [2020-10-27 20:19:02,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:02,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951291734] [2020-10-27 20:19:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 20:19:03,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-27 20:19:03,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 20:19:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 20:19:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:03,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:03,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 20:19:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:19:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:19:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:03,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:19:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:03,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:19:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:03,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:19:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:03,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:19:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:03,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:19:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:03,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:19:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:03,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 20:19:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 20:19:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:03,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 20:19:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:03,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:19:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:03,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 20:19:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:03,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:03,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:03,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:03,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:03,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 148 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-27 20:19:03,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951291734] [2020-10-27 20:19:03,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:03,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 20:19:03,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587423249] [2020-10-27 20:19:03,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 20:19:03,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:03,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 20:19:03,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=261, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:19:03,987 INFO L87 Difference]: Start difference. First operand 131 states and 132 transitions. Second operand 21 states. [2020-10-27 20:19:05,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:05,030 INFO L93 Difference]: Finished difference Result 146 states and 148 transitions. [2020-10-27 20:19:05,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 20:19:05,031 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 128 [2020-10-27 20:19:05,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:05,032 INFO L225 Difference]: With dead ends: 146 [2020-10-27 20:19:05,032 INFO L226 Difference]: Without dead ends: 142 [2020-10-27 20:19:05,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=473, Invalid=1009, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 20:19:05,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-27 20:19:05,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2020-10-27 20:19:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-27 20:19:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 139 transitions. [2020-10-27 20:19:05,059 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 139 transitions. Word has length 128 [2020-10-27 20:19:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:05,060 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 139 transitions. [2020-10-27 20:19:05,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 20:19:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 139 transitions. [2020-10-27 20:19:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 20:19:05,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:05,062 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:05,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-27 20:19:05,063 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:05,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:05,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1501669451, now seen corresponding path program 29 times [2020-10-27 20:19:05,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:05,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216874400] [2020-10-27 20:19:05,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:05,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-27 20:19:06,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-10-27 20:19:06,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 20:19:06,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:06,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 20:19:06,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:06,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:06,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 20:19:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:19:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:19:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:19:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:19:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:19:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:19:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:19:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:19:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 20:19:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 20:19:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 20:19:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:19:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:06,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 20:19:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:06,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 20:19:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:06,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:06,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 375 proven. 120 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-27 20:19:06,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216874400] [2020-10-27 20:19:06,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:06,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-27 20:19:06,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021407930] [2020-10-27 20:19:06,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-27 20:19:06,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:06,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-27 20:19:06,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 20:19:06,908 INFO L87 Difference]: Start difference. First operand 138 states and 139 transitions. Second operand 36 states. [2020-10-27 20:19:09,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:09,352 INFO L93 Difference]: Finished difference Result 197 states and 214 transitions. [2020-10-27 20:19:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 20:19:09,354 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 135 [2020-10-27 20:19:09,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:09,355 INFO L225 Difference]: With dead ends: 197 [2020-10-27 20:19:09,355 INFO L226 Difference]: Without dead ends: 139 [2020-10-27 20:19:09,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=987, Invalid=3705, Unknown=0, NotChecked=0, Total=4692 [2020-10-27 20:19:09,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-27 20:19:09,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-10-27 20:19:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-27 20:19:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 140 transitions. [2020-10-27 20:19:09,379 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 140 transitions. Word has length 135 [2020-10-27 20:19:09,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:09,379 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 140 transitions. [2020-10-27 20:19:09,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-27 20:19:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2020-10-27 20:19:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 20:19:09,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:09,380 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:09,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-27 20:19:09,382 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:09,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:09,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1402064217, now seen corresponding path program 30 times [2020-10-27 20:19:09,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:09,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923028741] [2020-10-27 20:19:09,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:10,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:10,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 20:19:10,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236 [2020-10-27 20:19:10,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 20:19:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 20:19:10,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:10,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:10,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:10,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:10,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:10,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:19:10,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:10,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:10,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:10,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:10,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:10,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:19:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:10,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:10,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:10,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:10,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:10,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:10,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:10,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:10,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:10,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:19:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:10,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:10,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:10,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:10,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:10,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:10,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:10,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:19:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:10,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:10,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:10,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:10,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:10,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:10,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:10,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 20:19:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:10,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:10,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:10,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:10,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:10,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:10,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:10,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:10,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:10,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:19:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:10,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:10,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:10,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:10,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:10,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:10,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:10,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:19:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:11,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:19:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:11,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 20:19:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:11,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 20:19:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:11,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 20:19:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:11,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 20:19:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:11,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 20:19:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:11,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 20:19:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:11,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 20:19:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:11,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 20:19:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:11,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:11,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:11,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:11,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:11,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:11,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:11,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:11,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:11,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:11,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 166 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-27 20:19:11,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923028741] [2020-10-27 20:19:11,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:11,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 20:19:11,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19847820] [2020-10-27 20:19:11,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 20:19:11,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:11,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 20:19:11,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=285, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:19:11,089 INFO L87 Difference]: Start difference. First operand 139 states and 140 transitions. Second operand 22 states. [2020-10-27 20:19:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:12,181 INFO L93 Difference]: Finished difference Result 154 states and 156 transitions. [2020-10-27 20:19:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 20:19:12,181 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 136 [2020-10-27 20:19:12,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:12,183 INFO L225 Difference]: With dead ends: 154 [2020-10-27 20:19:12,183 INFO L226 Difference]: Without dead ends: 150 [2020-10-27 20:19:12,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=527, Invalid=1113, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 20:19:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-27 20:19:12,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2020-10-27 20:19:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-27 20:19:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 147 transitions. [2020-10-27 20:19:12,203 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 147 transitions. Word has length 136 [2020-10-27 20:19:12,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:12,204 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 147 transitions. [2020-10-27 20:19:12,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 20:19:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 147 transitions. [2020-10-27 20:19:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 20:19:12,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:12,205 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:12,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-27 20:19:12,206 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:12,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:12,206 INFO L82 PathProgramCache]: Analyzing trace with hash 960169526, now seen corresponding path program 31 times [2020-10-27 20:19:12,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:12,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591532623] [2020-10-27 20:19:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:12,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:13,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 20:19:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1275 [2020-10-27 20:19:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 20:19:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 20:19:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:14,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:19:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:19:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:19:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 20:19:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:19:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:19:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:19:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:14,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 20:19:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:14,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 20:19:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 20:19:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:19:14,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 20:19:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 20:19:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 20:19:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 20:19:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 20:19:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:14,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 20:19:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:14,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:14,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:14,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:14,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:14,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 424 proven. 136 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-27 20:19:14,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591532623] [2020-10-27 20:19:14,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:14,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-27 20:19:14,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458764232] [2020-10-27 20:19:14,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-27 20:19:14,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:14,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-27 20:19:14,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 20:19:14,421 INFO L87 Difference]: Start difference. First operand 146 states and 147 transitions. Second operand 38 states. [2020-10-27 20:19:17,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:17,099 INFO L93 Difference]: Finished difference Result 208 states and 226 transitions. [2020-10-27 20:19:17,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 20:19:17,099 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 143 [2020-10-27 20:19:17,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:17,102 INFO L225 Difference]: With dead ends: 208 [2020-10-27 20:19:17,102 INFO L226 Difference]: Without dead ends: 147 [2020-10-27 20:19:17,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1099, Invalid=4157, Unknown=0, NotChecked=0, Total=5256 [2020-10-27 20:19:17,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-27 20:19:17,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-10-27 20:19:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-27 20:19:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 148 transitions. [2020-10-27 20:19:17,123 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 148 transitions. Word has length 143 [2020-10-27 20:19:17,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:17,123 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 148 transitions. [2020-10-27 20:19:17,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-27 20:19:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2020-10-27 20:19:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 20:19:17,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:17,124 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:17,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-27 20:19:17,125 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:17,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:17,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1709217754, now seen corresponding path program 32 times [2020-10-27 20:19:17,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:17,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287749911] [2020-10-27 20:19:17,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:17,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 20:19:18,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1208 [2020-10-27 20:19:18,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 20:19:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 20:19:18,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:18,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:18,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:18,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:19:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:19:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 20:19:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:19:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:19:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:18,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 20:19:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:18,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:19:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:18,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:19:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:18,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:19:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:18,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 20:19:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 20:19:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 20:19:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 20:19:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:18,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 20:19:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:18,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 20:19:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:18,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 20:19:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:18,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:18,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:18,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:18,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:18,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:19:18,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:18,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 185 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-27 20:19:18,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287749911] [2020-10-27 20:19:18,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:18,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 20:19:18,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047804756] [2020-10-27 20:19:18,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 20:19:18,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:18,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 20:19:18,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=310, Unknown=0, NotChecked=0, Total=506 [2020-10-27 20:19:18,855 INFO L87 Difference]: Start difference. First operand 147 states and 148 transitions. Second operand 23 states. [2020-10-27 20:19:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:20,026 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2020-10-27 20:19:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 20:19:20,028 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 144 [2020-10-27 20:19:20,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:20,029 INFO L225 Difference]: With dead ends: 162 [2020-10-27 20:19:20,030 INFO L226 Difference]: Without dead ends: 158 [2020-10-27 20:19:20,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=1222, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 20:19:20,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-27 20:19:20,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2020-10-27 20:19:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-27 20:19:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 155 transitions. [2020-10-27 20:19:20,049 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 155 transitions. Word has length 144 [2020-10-27 20:19:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:20,049 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 155 transitions. [2020-10-27 20:19:20,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 20:19:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 155 transitions. [2020-10-27 20:19:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 20:19:20,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:20,051 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:20,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-27 20:19:20,051 INFO L429 AbstractCegarLoop]: === Iteration 35 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:20,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:20,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1727227755, now seen corresponding path program 33 times [2020-10-27 20:19:20,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:20,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560634055] [2020-10-27 20:19:20,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:20,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:21,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:21,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 20:19:21,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-10-27 20:19:21,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 20:19:21,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:21,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-27 20:19:21,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:21,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:21,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:21,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:19:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:21,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:21,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:19:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:21,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:21,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:21,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:21,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:21,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:21,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:21,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:21,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:21,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:21,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 20:19:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:21,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:21,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:19:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:19:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 20:19:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:19:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:19:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:19:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 20:19:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 20:19:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 20:19:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 20:19:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 20:19:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 20:19:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 20:19:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 20:19:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:22,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:22,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 476 proven. 153 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-27 20:19:22,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560634055] [2020-10-27 20:19:22,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:22,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-27 20:19:22,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824952217] [2020-10-27 20:19:22,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-27 20:19:22,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:22,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-27 20:19:22,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=1177, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 20:19:22,073 INFO L87 Difference]: Start difference. First operand 154 states and 155 transitions. Second operand 40 states. [2020-10-27 20:19:24,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:24,989 INFO L93 Difference]: Finished difference Result 219 states and 238 transitions. [2020-10-27 20:19:24,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 20:19:24,990 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 151 [2020-10-27 20:19:24,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:24,991 INFO L225 Difference]: With dead ends: 219 [2020-10-27 20:19:24,991 INFO L226 Difference]: Without dead ends: 155 [2020-10-27 20:19:24,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1217, Invalid=4635, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 20:19:24,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-27 20:19:25,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-10-27 20:19:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-27 20:19:25,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 156 transitions. [2020-10-27 20:19:25,015 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 156 transitions. Word has length 151 [2020-10-27 20:19:25,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:25,015 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 156 transitions. [2020-10-27 20:19:25,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-27 20:19:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2020-10-27 20:19:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 20:19:25,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:25,017 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:25,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-27 20:19:25,017 INFO L429 AbstractCegarLoop]: === Iteration 36 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:25,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:25,017 INFO L82 PathProgramCache]: Analyzing trace with hash 258491961, now seen corresponding path program 34 times [2020-10-27 20:19:25,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:25,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265086050] [2020-10-27 20:19:25,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1376 [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-27 20:19:26,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:26,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:26,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:26,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:19:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:19:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:19:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:19:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 20:19:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:19:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 20:19:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 20:19:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:19:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 20:19:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 20:19:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 20:19:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 20:19:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 20:19:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 20:19:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 20:19:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 20:19:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:26,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:26,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:26,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:26,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:26,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:26,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:26,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 205 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-27 20:19:26,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265086050] [2020-10-27 20:19:26,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:26,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 20:19:26,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567915115] [2020-10-27 20:19:26,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 20:19:26,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:26,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 20:19:26,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=336, Unknown=0, NotChecked=0, Total=552 [2020-10-27 20:19:26,917 INFO L87 Difference]: Start difference. First operand 155 states and 156 transitions. Second operand 24 states. [2020-10-27 20:19:28,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:28,172 INFO L93 Difference]: Finished difference Result 170 states and 172 transitions. [2020-10-27 20:19:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 20:19:28,172 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 152 [2020-10-27 20:19:28,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:28,174 INFO L225 Difference]: With dead ends: 170 [2020-10-27 20:19:28,174 INFO L226 Difference]: Without dead ends: 166 [2020-10-27 20:19:28,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=644, Invalid=1336, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 20:19:28,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-27 20:19:28,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2020-10-27 20:19:28,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-27 20:19:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 163 transitions. [2020-10-27 20:19:28,195 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 163 transitions. Word has length 152 [2020-10-27 20:19:28,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:28,195 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 163 transitions. [2020-10-27 20:19:28,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 20:19:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 163 transitions. [2020-10-27 20:19:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 20:19:28,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:28,197 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:28,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-27 20:19:28,197 INFO L429 AbstractCegarLoop]: === Iteration 37 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:28,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:28,197 INFO L82 PathProgramCache]: Analyzing trace with hash 313839958, now seen corresponding path program 35 times [2020-10-27 20:19:28,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:28,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074939505] [2020-10-27 20:19:28,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:29,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:29,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 20:19:29,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-10-27 20:19:29,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 20:19:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-27 20:19:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:30,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:30,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:30,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:19:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:19:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:19:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:19:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 20:19:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:19:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 20:19:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:30,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 20:19:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:19:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 20:19:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 20:19:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 20:19:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 20:19:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 20:19:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 20:19:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 20:19:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 20:19:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 20:19:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:30,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:30,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:30,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:30,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:30,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 531 proven. 171 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-27 20:19:30,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074939505] [2020-10-27 20:19:30,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:30,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-27 20:19:30,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959351931] [2020-10-27 20:19:30,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-27 20:19:30,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:30,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-27 20:19:30,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=1299, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 20:19:30,365 INFO L87 Difference]: Start difference. First operand 162 states and 163 transitions. Second operand 42 states. [2020-10-27 20:19:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:33,557 INFO L93 Difference]: Finished difference Result 230 states and 250 transitions. [2020-10-27 20:19:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 20:19:33,558 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 159 [2020-10-27 20:19:33,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:33,560 INFO L225 Difference]: With dead ends: 230 [2020-10-27 20:19:33,560 INFO L226 Difference]: Without dead ends: 163 [2020-10-27 20:19:33,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1341, Invalid=5139, Unknown=0, NotChecked=0, Total=6480 [2020-10-27 20:19:33,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-27 20:19:33,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-10-27 20:19:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-27 20:19:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 164 transitions. [2020-10-27 20:19:33,583 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 164 transitions. Word has length 159 [2020-10-27 20:19:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:33,584 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 164 transitions. [2020-10-27 20:19:33,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-27 20:19:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2020-10-27 20:19:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 20:19:33,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:33,585 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:33,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-27 20:19:33,585 INFO L429 AbstractCegarLoop]: === Iteration 38 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:33,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:33,586 INFO L82 PathProgramCache]: Analyzing trace with hash 954899194, now seen corresponding path program 36 times [2020-10-27 20:19:33,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:33,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642238017] [2020-10-27 20:19:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:33,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:34,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:34,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-27 20:19:34,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-10-27 20:19:34,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 20:19:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 20:19:34,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:35,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:35,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:35,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:35,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:19:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:35,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:19:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:35,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:19:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:35,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:19:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:35,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:19:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:35,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:19:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:19:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:19:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 20:19:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 20:19:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 20:19:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 20:19:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:35,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 20:19:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 20:19:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 20:19:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 20:19:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 20:19:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:35,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 20:19:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:35,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:35,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 226 proven. 495 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-27 20:19:35,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642238017] [2020-10-27 20:19:35,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:35,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 20:19:35,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816228332] [2020-10-27 20:19:35,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 20:19:35,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:35,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 20:19:35,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=363, Unknown=0, NotChecked=0, Total=600 [2020-10-27 20:19:35,208 INFO L87 Difference]: Start difference. First operand 163 states and 164 transitions. Second operand 25 states. [2020-10-27 20:19:36,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:36,556 INFO L93 Difference]: Finished difference Result 178 states and 180 transitions. [2020-10-27 20:19:36,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 20:19:36,556 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 160 [2020-10-27 20:19:36,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:36,558 INFO L225 Difference]: With dead ends: 178 [2020-10-27 20:19:36,558 INFO L226 Difference]: Without dead ends: 174 [2020-10-27 20:19:36,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=712, Invalid=1544, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 20:19:36,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-27 20:19:36,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 170. [2020-10-27 20:19:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-27 20:19:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 171 transitions. [2020-10-27 20:19:36,580 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 171 transitions. Word has length 160 [2020-10-27 20:19:36,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:36,580 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 171 transitions. [2020-10-27 20:19:36,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 20:19:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 171 transitions. [2020-10-27 20:19:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 20:19:36,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:36,582 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:36,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-27 20:19:36,582 INFO L429 AbstractCegarLoop]: === Iteration 39 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:36,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:36,582 INFO L82 PathProgramCache]: Analyzing trace with hash -965815947, now seen corresponding path program 37 times [2020-10-27 20:19:36,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:36,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593694828] [2020-10-27 20:19:36,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:36,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1305 [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-27 20:19:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:19:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:19:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:19:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:19:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:19:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:19:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:19:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:19:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 20:19:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 20:19:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 20:19:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 20:19:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 20:19:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 20:19:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 20:19:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 20:19:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 20:19:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 20:19:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 20:19:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:39,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 589 proven. 190 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-27 20:19:39,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593694828] [2020-10-27 20:19:39,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:39,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-27 20:19:39,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778111830] [2020-10-27 20:19:39,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-27 20:19:39,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:39,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-27 20:19:39,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1427, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 20:19:39,134 INFO L87 Difference]: Start difference. First operand 170 states and 171 transitions. Second operand 44 states. [2020-10-27 20:19:42,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:42,638 INFO L93 Difference]: Finished difference Result 241 states and 262 transitions. [2020-10-27 20:19:42,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 20:19:42,639 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 167 [2020-10-27 20:19:42,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:42,641 INFO L225 Difference]: With dead ends: 241 [2020-10-27 20:19:42,641 INFO L226 Difference]: Without dead ends: 171 [2020-10-27 20:19:42,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1471, Invalid=5669, Unknown=0, NotChecked=0, Total=7140 [2020-10-27 20:19:42,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-27 20:19:42,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-10-27 20:19:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-27 20:19:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 172 transitions. [2020-10-27 20:19:42,665 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 172 transitions. Word has length 167 [2020-10-27 20:19:42,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:42,665 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 172 transitions. [2020-10-27 20:19:42,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-27 20:19:42,665 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2020-10-27 20:19:42,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 20:19:42,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:42,667 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:42,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-27 20:19:42,667 INFO L429 AbstractCegarLoop]: === Iteration 40 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:42,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:42,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1633503463, now seen corresponding path program 38 times [2020-10-27 20:19:42,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:42,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46984865] [2020-10-27 20:19:42,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:42,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 20:19:44,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1325 [2020-10-27 20:19:44,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 20:19:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-27 20:19:44,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:19:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:19:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:19:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:19:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:19:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:19:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 20:19:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 20:19:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:19:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 20:19:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 20:19:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 20:19:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 20:19:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 20:19:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 20:19:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 20:19:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 20:19:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 20:19:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 20:19:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:44,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:44,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:44,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:44,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:44,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 248 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-27 20:19:44,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46984865] [2020-10-27 20:19:44,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:44,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 20:19:44,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020946894] [2020-10-27 20:19:44,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 20:19:44,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:44,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 20:19:44,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=391, Unknown=0, NotChecked=0, Total=650 [2020-10-27 20:19:44,587 INFO L87 Difference]: Start difference. First operand 171 states and 172 transitions. Second operand 26 states. [2020-10-27 20:19:46,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:46,012 INFO L93 Difference]: Finished difference Result 186 states and 188 transitions. [2020-10-27 20:19:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 20:19:46,013 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 168 [2020-10-27 20:19:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:46,015 INFO L225 Difference]: With dead ends: 186 [2020-10-27 20:19:46,015 INFO L226 Difference]: Without dead ends: 182 [2020-10-27 20:19:46,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=778, Invalid=1672, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 20:19:46,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-27 20:19:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2020-10-27 20:19:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-27 20:19:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 179 transitions. [2020-10-27 20:19:46,038 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 179 transitions. Word has length 168 [2020-10-27 20:19:46,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:46,039 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 179 transitions. [2020-10-27 20:19:46,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 20:19:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 179 transitions. [2020-10-27 20:19:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-27 20:19:46,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:46,040 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:46,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-27 20:19:46,040 INFO L429 AbstractCegarLoop]: === Iteration 41 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:46,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:46,041 INFO L82 PathProgramCache]: Analyzing trace with hash 920888438, now seen corresponding path program 39 times [2020-10-27 20:19:46,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:46,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126418585] [2020-10-27 20:19:46,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:46,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:47,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:47,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 20:19:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1366 [2020-10-27 20:19:47,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 20:19:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-27 20:19:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:19:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:19:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:19:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:19:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:19:48,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:19:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:19:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 20:19:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 20:19:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:19:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 20:19:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 20:19:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 20:19:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 20:19:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 20:19:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 20:19:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 20:19:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 20:19:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 20:19:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 20:19:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 20:19:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:48,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:48,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:48,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:48,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:48,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 650 proven. 210 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 20:19:48,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126418585] [2020-10-27 20:19:48,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:48,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-27 20:19:48,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531604814] [2020-10-27 20:19:48,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-27 20:19:48,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:48,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-27 20:19:48,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=1561, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 20:19:48,739 INFO L87 Difference]: Start difference. First operand 178 states and 179 transitions. Second operand 46 states. [2020-10-27 20:19:52,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:52,523 INFO L93 Difference]: Finished difference Result 252 states and 274 transitions. [2020-10-27 20:19:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-27 20:19:52,524 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 175 [2020-10-27 20:19:52,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:52,526 INFO L225 Difference]: With dead ends: 252 [2020-10-27 20:19:52,526 INFO L226 Difference]: Without dead ends: 179 [2020-10-27 20:19:52,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1760 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1607, Invalid=6225, Unknown=0, NotChecked=0, Total=7832 [2020-10-27 20:19:52,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-27 20:19:52,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2020-10-27 20:19:52,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-27 20:19:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 180 transitions. [2020-10-27 20:19:52,551 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 180 transitions. Word has length 175 [2020-10-27 20:19:52,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:52,551 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 180 transitions. [2020-10-27 20:19:52,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-27 20:19:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2020-10-27 20:19:52,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 20:19:52,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:52,553 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:52,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-27 20:19:52,553 INFO L429 AbstractCegarLoop]: === Iteration 42 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:52,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:52,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1597613594, now seen corresponding path program 40 times [2020-10-27 20:19:52,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:52,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070436594] [2020-10-27 20:19:52,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:52,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1606 [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-27 20:19:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:54,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:54,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:54,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:54,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:19:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:19:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:19:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:19:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:19:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:19:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:19:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:19:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:19:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 20:19:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 20:19:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 20:19:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 20:19:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 20:19:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 20:19:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 20:19:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 20:19:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 20:19:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 20:19:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 20:19:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:54,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 271 proven. 610 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 20:19:54,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070436594] [2020-10-27 20:19:54,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:54,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 20:19:54,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679672405] [2020-10-27 20:19:54,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 20:19:54,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:54,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 20:19:54,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=420, Unknown=0, NotChecked=0, Total=702 [2020-10-27 20:19:54,837 INFO L87 Difference]: Start difference. First operand 179 states and 180 transitions. Second operand 27 states. [2020-10-27 20:19:56,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:19:56,314 INFO L93 Difference]: Finished difference Result 194 states and 196 transitions. [2020-10-27 20:19:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 20:19:56,315 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 176 [2020-10-27 20:19:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:19:56,318 INFO L225 Difference]: With dead ends: 194 [2020-10-27 20:19:56,318 INFO L226 Difference]: Without dead ends: 190 [2020-10-27 20:19:56,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=847, Invalid=1805, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 20:19:56,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-27 20:19:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 186. [2020-10-27 20:19:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-27 20:19:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 187 transitions. [2020-10-27 20:19:56,335 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 187 transitions. Word has length 176 [2020-10-27 20:19:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:19:56,335 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 187 transitions. [2020-10-27 20:19:56,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 20:19:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 187 transitions. [2020-10-27 20:19:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 20:19:56,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:19:56,337 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:19:56,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-27 20:19:56,337 INFO L429 AbstractCegarLoop]: === Iteration 43 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:19:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:19:56,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1649607253, now seen corresponding path program 41 times [2020-10-27 20:19:56,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:19:56,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268590092] [2020-10-27 20:19:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:19:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:57,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:57,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-27 20:19:57,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1349 [2020-10-27 20:19:57,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 20:19:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:19:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 20:19:57,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:19:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:19:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:19:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:58,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:19:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:58,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:58,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:19:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:58,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:58,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:19:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:19:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:58,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:19:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:58,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:58,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:58,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:19:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:58,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:58,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:58,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:58,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:58,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:58,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:19:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:58,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:59,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:19:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:59,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 20:19:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 20:19:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 20:19:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 20:19:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 20:19:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 20:19:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 20:19:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 20:19:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 20:19:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 20:19:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 20:19:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:19:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 20:19:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:19:59,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:19:59,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:19:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:19:59,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:19:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:19:59,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:19:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:19:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:19:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:19:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:19:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 714 proven. 231 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-27 20:19:59,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268590092] [2020-10-27 20:19:59,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:19:59,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-27 20:19:59,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789806142] [2020-10-27 20:19:59,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-27 20:19:59,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:19:59,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-27 20:19:59,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 20:19:59,083 INFO L87 Difference]: Start difference. First operand 186 states and 187 transitions. Second operand 48 states. [2020-10-27 20:20:03,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:03,064 INFO L93 Difference]: Finished difference Result 263 states and 286 transitions. [2020-10-27 20:20:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-27 20:20:03,064 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 183 [2020-10-27 20:20:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:03,067 INFO L225 Difference]: With dead ends: 263 [2020-10-27 20:20:03,067 INFO L226 Difference]: Without dead ends: 187 [2020-10-27 20:20:03,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1932 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1749, Invalid=6807, Unknown=0, NotChecked=0, Total=8556 [2020-10-27 20:20:03,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-27 20:20:03,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-27 20:20:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-27 20:20:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 188 transitions. [2020-10-27 20:20:03,090 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 188 transitions. Word has length 183 [2020-10-27 20:20:03,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:03,090 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 188 transitions. [2020-10-27 20:20:03,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-27 20:20:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 188 transitions. [2020-10-27 20:20:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-27 20:20:03,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:03,092 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:03,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-27 20:20:03,092 INFO L429 AbstractCegarLoop]: === Iteration 44 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:03,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:03,093 INFO L82 PathProgramCache]: Analyzing trace with hash 351215609, now seen corresponding path program 42 times [2020-10-27 20:20:03,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:03,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392465365] [2020-10-27 20:20:03,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:03,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:04,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:04,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 20:20:04,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:04,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1630 [2020-10-27 20:20:04,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:04,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 20:20:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-27 20:20:04,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:05,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:20:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:20:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:20:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:20:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:20:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:20:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:20:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:20:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 20:20:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 20:20:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 20:20:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:20:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 20:20:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 20:20:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 20:20:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 20:20:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 20:20:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 20:20:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 20:20:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 20:20:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 20:20:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:05,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:05,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:05,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:05,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:05,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 295 proven. 672 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-27 20:20:05,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392465365] [2020-10-27 20:20:05,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:05,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 20:20:05,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520850897] [2020-10-27 20:20:05,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 20:20:05,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:05,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 20:20:05,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=450, Unknown=0, NotChecked=0, Total=756 [2020-10-27 20:20:05,395 INFO L87 Difference]: Start difference. First operand 187 states and 188 transitions. Second operand 28 states. [2020-10-27 20:20:06,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:06,897 INFO L93 Difference]: Finished difference Result 202 states and 204 transitions. [2020-10-27 20:20:06,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 20:20:06,898 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 184 [2020-10-27 20:20:06,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:06,900 INFO L225 Difference]: With dead ends: 202 [2020-10-27 20:20:06,901 INFO L226 Difference]: Without dead ends: 198 [2020-10-27 20:20:06,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=914, Invalid=1842, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 20:20:06,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-27 20:20:06,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2020-10-27 20:20:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-27 20:20:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 195 transitions. [2020-10-27 20:20:06,920 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 195 transitions. Word has length 184 [2020-10-27 20:20:06,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:06,920 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 195 transitions. [2020-10-27 20:20:06,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 20:20:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 195 transitions. [2020-10-27 20:20:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-27 20:20:06,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:06,921 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:06,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-27 20:20:06,921 INFO L429 AbstractCegarLoop]: === Iteration 45 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:06,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:06,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1302757482, now seen corresponding path program 43 times [2020-10-27 20:20:06,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:06,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225224995] [2020-10-27 20:20:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:06,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1372 [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-27 20:20:08,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:09,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:09,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:20:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:20:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:20:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:20:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:20:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:20:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:20:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:20:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 20:20:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 20:20:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 20:20:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:20:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 20:20:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 20:20:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 20:20:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 20:20:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 20:20:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 20:20:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 20:20:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 20:20:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 20:20:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:09,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 20:20:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:09,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:09,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:09,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:09,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:09,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:09,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 781 proven. 253 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 20:20:09,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225224995] [2020-10-27 20:20:09,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:09,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-27 20:20:09,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752511670] [2020-10-27 20:20:09,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-27 20:20:09,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:09,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-27 20:20:09,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=1847, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 20:20:09,852 INFO L87 Difference]: Start difference. First operand 194 states and 195 transitions. Second operand 50 states. [2020-10-27 20:20:14,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:14,086 INFO L93 Difference]: Finished difference Result 274 states and 298 transitions. [2020-10-27 20:20:14,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-27 20:20:14,086 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 191 [2020-10-27 20:20:14,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:14,089 INFO L225 Difference]: With dead ends: 274 [2020-10-27 20:20:14,089 INFO L226 Difference]: Without dead ends: 195 [2020-10-27 20:20:14,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2112 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1897, Invalid=7415, Unknown=0, NotChecked=0, Total=9312 [2020-10-27 20:20:14,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-27 20:20:14,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-10-27 20:20:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-27 20:20:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 196 transitions. [2020-10-27 20:20:14,111 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 196 transitions. Word has length 191 [2020-10-27 20:20:14,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:14,112 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 196 transitions. [2020-10-27 20:20:14,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-27 20:20:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 196 transitions. [2020-10-27 20:20:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 20:20:14,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:14,113 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:14,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-27 20:20:14,113 INFO L429 AbstractCegarLoop]: === Iteration 46 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:14,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:14,114 INFO L82 PathProgramCache]: Analyzing trace with hash -983582406, now seen corresponding path program 44 times [2020-10-27 20:20:14,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:14,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575982196] [2020-10-27 20:20:14,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:14,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:15,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:15,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 20:20:15,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:15,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1430 [2020-10-27 20:20:15,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 20:20:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-27 20:20:15,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:20:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:20:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:16,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 20:20:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:20:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:20:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:20:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 20:20:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 20:20:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 20:20:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 20:20:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 20:20:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 20:20:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 20:20:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 20:20:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 20:20:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 20:20:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 20:20:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 20:20:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 20:20:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 20:20:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 20:20:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 20:20:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:16,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:16,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:16,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:16,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:16,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:16,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 320 proven. 737 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 20:20:16,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575982196] [2020-10-27 20:20:16,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:16,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 20:20:16,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454513177] [2020-10-27 20:20:16,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 20:20:16,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:16,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 20:20:16,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=481, Unknown=0, NotChecked=0, Total=812 [2020-10-27 20:20:16,262 INFO L87 Difference]: Start difference. First operand 195 states and 196 transitions. Second operand 29 states. [2020-10-27 20:20:17,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:17,786 INFO L93 Difference]: Finished difference Result 210 states and 212 transitions. [2020-10-27 20:20:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 20:20:17,787 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 192 [2020-10-27 20:20:17,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:17,789 INFO L225 Difference]: With dead ends: 210 [2020-10-27 20:20:17,789 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 20:20:17,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=989, Invalid=1981, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 20:20:17,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 20:20:17,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2020-10-27 20:20:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-27 20:20:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 203 transitions. [2020-10-27 20:20:17,814 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 203 transitions. Word has length 192 [2020-10-27 20:20:17,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:17,815 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 203 transitions. [2020-10-27 20:20:17,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 20:20:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 203 transitions. [2020-10-27 20:20:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-27 20:20:17,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:17,816 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:17,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-27 20:20:17,816 INFO L429 AbstractCegarLoop]: === Iteration 47 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:17,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:17,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1746457803, now seen corresponding path program 45 times [2020-10-27 20:20:17,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:17,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1374307495] [2020-10-27 20:20:17,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:17,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:19,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:19,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 20:20:19,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1606 [2020-10-27 20:20:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-27 20:20:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-27 20:20:19,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:20,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:20,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:20:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:20:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 20:20:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:20:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:20:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:20:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:20,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 20:20:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 20:20:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 20:20:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 20:20:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 20:20:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 20:20:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 20:20:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 20:20:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 20:20:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 20:20:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 20:20:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 20:20:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 20:20:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 20:20:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 20:20:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 20:20:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:20,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-27 20:20:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:20,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:20,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:20,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:20,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:20,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:20,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 851 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-27 20:20:21,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1374307495] [2020-10-27 20:20:21,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:21,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-27 20:20:21,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854139904] [2020-10-27 20:20:21,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-27 20:20:21,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:21,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-27 20:20:21,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=1999, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 20:20:21,051 INFO L87 Difference]: Start difference. First operand 202 states and 203 transitions. Second operand 52 states. [2020-10-27 20:20:25,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:25,513 INFO L93 Difference]: Finished difference Result 285 states and 310 transitions. [2020-10-27 20:20:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-27 20:20:25,514 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 199 [2020-10-27 20:20:25,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:25,515 INFO L225 Difference]: With dead ends: 285 [2020-10-27 20:20:25,516 INFO L226 Difference]: Without dead ends: 203 [2020-10-27 20:20:25,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2300 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2051, Invalid=8049, Unknown=0, NotChecked=0, Total=10100 [2020-10-27 20:20:25,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-27 20:20:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2020-10-27 20:20:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-27 20:20:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 204 transitions. [2020-10-27 20:20:25,545 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 204 transitions. Word has length 199 [2020-10-27 20:20:25,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:25,545 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 204 transitions. [2020-10-27 20:20:25,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-27 20:20:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 204 transitions. [2020-10-27 20:20:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-27 20:20:25,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:25,546 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:25,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-27 20:20:25,547 INFO L429 AbstractCegarLoop]: === Iteration 48 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:25,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:25,547 INFO L82 PathProgramCache]: Analyzing trace with hash 2105245913, now seen corresponding path program 46 times [2020-10-27 20:20:25,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:25,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852777259] [2020-10-27 20:20:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1756 [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-27 20:20:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:20:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 20:20:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:20:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:20:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 20:20:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:20:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:20:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:20:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 20:20:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 20:20:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 20:20:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:27,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 20:20:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 20:20:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 20:20:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 20:20:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 20:20:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 20:20:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 20:20:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 20:20:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 20:20:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 20:20:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 20:20:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 20:20:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:28,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:28,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:28,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:28,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 346 proven. 805 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-27 20:20:28,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852777259] [2020-10-27 20:20:28,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:28,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 20:20:28,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980656050] [2020-10-27 20:20:28,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 20:20:28,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:28,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 20:20:28,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=513, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:20:28,094 INFO L87 Difference]: Start difference. First operand 203 states and 204 transitions. Second operand 30 states. [2020-10-27 20:20:29,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:29,733 INFO L93 Difference]: Finished difference Result 218 states and 220 transitions. [2020-10-27 20:20:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 20:20:29,733 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 200 [2020-10-27 20:20:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:29,735 INFO L225 Difference]: With dead ends: 218 [2020-10-27 20:20:29,735 INFO L226 Difference]: Without dead ends: 214 [2020-10-27 20:20:29,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1072, Invalid=2234, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 20:20:29,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-27 20:20:29,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 210. [2020-10-27 20:20:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-27 20:20:29,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 211 transitions. [2020-10-27 20:20:29,760 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 211 transitions. Word has length 200 [2020-10-27 20:20:29,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:29,761 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 211 transitions. [2020-10-27 20:20:29,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 20:20:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 211 transitions. [2020-10-27 20:20:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-27 20:20:29,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:29,762 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:29,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-27 20:20:29,762 INFO L429 AbstractCegarLoop]: === Iteration 49 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:29,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:29,763 INFO L82 PathProgramCache]: Analyzing trace with hash 707289782, now seen corresponding path program 47 times [2020-10-27 20:20:29,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:29,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559194259] [2020-10-27 20:20:29,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:31,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:31,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-27 20:20:31,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:31,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1649 [2020-10-27 20:20:31,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 20:20:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-27 20:20:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:33,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:20:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 20:20:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:20:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:20:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 20:20:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:20:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:20:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:20:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 20:20:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 20:20:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 20:20:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 20:20:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 20:20:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 20:20:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 20:20:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 20:20:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 20:20:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 20:20:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 20:20:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 20:20:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 20:20:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 20:20:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 20:20:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 20:20:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:33,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:33,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:33,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:33,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:33,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:33,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:33,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 924 proven. 300 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-27 20:20:33,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559194259] [2020-10-27 20:20:33,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:33,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2020-10-27 20:20:33,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453453136] [2020-10-27 20:20:33,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-10-27 20:20:33,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:33,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-10-27 20:20:33,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=2157, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 20:20:33,128 INFO L87 Difference]: Start difference. First operand 210 states and 211 transitions. Second operand 54 states. [2020-10-27 20:20:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:37,751 INFO L93 Difference]: Finished difference Result 296 states and 322 transitions. [2020-10-27 20:20:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-27 20:20:37,752 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 207 [2020-10-27 20:20:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:37,754 INFO L225 Difference]: With dead ends: 296 [2020-10-27 20:20:37,754 INFO L226 Difference]: Without dead ends: 211 [2020-10-27 20:20:37,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2496 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=2211, Invalid=8709, Unknown=0, NotChecked=0, Total=10920 [2020-10-27 20:20:37,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-27 20:20:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-10-27 20:20:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-27 20:20:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 212 transitions. [2020-10-27 20:20:37,784 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 212 transitions. Word has length 207 [2020-10-27 20:20:37,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:37,785 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 212 transitions. [2020-10-27 20:20:37,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2020-10-27 20:20:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 212 transitions. [2020-10-27 20:20:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-27 20:20:37,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:37,786 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:37,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-27 20:20:37,786 INFO L429 AbstractCegarLoop]: === Iteration 50 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:37,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:37,787 INFO L82 PathProgramCache]: Analyzing trace with hash -261172134, now seen corresponding path program 48 times [2020-10-27 20:20:37,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:37,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351211135] [2020-10-27 20:20:37,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:37,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1720 [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-27 20:20:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:40,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:20:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:20:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:20:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 20:20:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:20:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 20:20:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 20:20:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:20:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 20:20:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 20:20:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 20:20:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 20:20:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 20:20:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 20:20:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 20:20:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:20:40,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 20:20:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 20:20:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 20:20:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 20:20:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 20:20:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 20:20:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-27 20:20:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 20:20:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-27 20:20:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:40,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:40,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:40,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:40,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:40,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2353 backedges. 373 proven. 876 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-27 20:20:40,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351211135] [2020-10-27 20:20:40,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:40,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 20:20:40,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85864716] [2020-10-27 20:20:40,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 20:20:40,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:40,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 20:20:40,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=546, Unknown=0, NotChecked=0, Total=930 [2020-10-27 20:20:40,325 INFO L87 Difference]: Start difference. First operand 211 states and 212 transitions. Second operand 31 states. [2020-10-27 20:20:42,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:42,055 INFO L93 Difference]: Finished difference Result 226 states and 228 transitions. [2020-10-27 20:20:42,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 20:20:42,056 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 208 [2020-10-27 20:20:42,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:42,058 INFO L225 Difference]: With dead ends: 226 [2020-10-27 20:20:42,058 INFO L226 Difference]: Without dead ends: 222 [2020-10-27 20:20:42,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1153, Invalid=2387, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 20:20:42,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-27 20:20:42,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 218. [2020-10-27 20:20:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-27 20:20:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 219 transitions. [2020-10-27 20:20:42,087 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 219 transitions. Word has length 208 [2020-10-27 20:20:42,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:42,087 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 219 transitions. [2020-10-27 20:20:42,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 20:20:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 219 transitions. [2020-10-27 20:20:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-27 20:20:42,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:42,089 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:42,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-27 20:20:42,089 INFO L429 AbstractCegarLoop]: === Iteration 51 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:42,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:42,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1775848469, now seen corresponding path program 49 times [2020-10-27 20:20:42,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:42,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411117323] [2020-10-27 20:20:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:42,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:44,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:44,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-27 20:20:44,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:44,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2213 [2020-10-27 20:20:44,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:44,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-27 20:20:44,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:44,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-27 20:20:44,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:20:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:20:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:20:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 20:20:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:20:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 20:20:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 20:20:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:20:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 20:20:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 20:20:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 20:20:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 20:20:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 20:20:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 20:20:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 20:20:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 20:20:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 20:20:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 20:20:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 20:20:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 20:20:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 20:20:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-27 20:20:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 20:20:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-27 20:20:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 20:20:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:46,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:46,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:46,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:46,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:46,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:46,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:46,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2525 backedges. 1000 proven. 325 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-27 20:20:46,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411117323] [2020-10-27 20:20:46,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:46,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-27 20:20:46,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851833591] [2020-10-27 20:20:46,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-27 20:20:46,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:46,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-27 20:20:46,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=759, Invalid=2321, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 20:20:46,164 INFO L87 Difference]: Start difference. First operand 218 states and 219 transitions. Second operand 56 states. [2020-10-27 20:20:51,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:51,153 INFO L93 Difference]: Finished difference Result 307 states and 334 transitions. [2020-10-27 20:20:51,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-27 20:20:51,154 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 215 [2020-10-27 20:20:51,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:51,157 INFO L225 Difference]: With dead ends: 307 [2020-10-27 20:20:51,157 INFO L226 Difference]: Without dead ends: 219 [2020-10-27 20:20:51,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2700 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2377, Invalid=9395, Unknown=0, NotChecked=0, Total=11772 [2020-10-27 20:20:51,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-27 20:20:51,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2020-10-27 20:20:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 20:20:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 220 transitions. [2020-10-27 20:20:51,188 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 220 transitions. Word has length 215 [2020-10-27 20:20:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:51,188 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 220 transitions. [2020-10-27 20:20:51,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-10-27 20:20:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 220 transitions. [2020-10-27 20:20:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-27 20:20:51,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:51,190 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:51,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-10-27 20:20:51,190 INFO L429 AbstractCegarLoop]: === Iteration 52 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:51,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:51,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1158293063, now seen corresponding path program 50 times [2020-10-27 20:20:51,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:51,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845364944] [2020-10-27 20:20:51,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:51,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-27 20:20:53,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1852 [2020-10-27 20:20:53,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-27 20:20:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-27 20:20:53,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:53,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:20:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:20:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:20:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:20:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:20:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:20:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:20:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 20:20:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 20:20:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 20:20:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 20:20:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 20:20:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 20:20:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 20:20:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 20:20:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 20:20:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 20:20:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 20:20:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 20:20:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-27 20:20:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-27 20:20:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 20:20:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-27 20:20:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 20:20:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-27 20:20:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:53,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:53,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 401 proven. 950 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-27 20:20:53,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845364944] [2020-10-27 20:20:53,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:53,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-27 20:20:53,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099176684] [2020-10-27 20:20:53,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-27 20:20:53,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:53,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-27 20:20:53,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=580, Unknown=0, NotChecked=0, Total=992 [2020-10-27 20:20:53,889 INFO L87 Difference]: Start difference. First operand 219 states and 220 transitions. Second operand 32 states. [2020-10-27 20:20:55,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:20:55,705 INFO L93 Difference]: Finished difference Result 234 states and 236 transitions. [2020-10-27 20:20:55,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 20:20:55,706 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 216 [2020-10-27 20:20:55,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:20:55,708 INFO L225 Difference]: With dead ends: 234 [2020-10-27 20:20:55,708 INFO L226 Difference]: Without dead ends: 230 [2020-10-27 20:20:55,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1237, Invalid=2545, Unknown=0, NotChecked=0, Total=3782 [2020-10-27 20:20:55,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-27 20:20:55,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2020-10-27 20:20:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-27 20:20:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 227 transitions. [2020-10-27 20:20:55,738 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 227 transitions. Word has length 216 [2020-10-27 20:20:55,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:20:55,739 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 227 transitions. [2020-10-27 20:20:55,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-27 20:20:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 227 transitions. [2020-10-27 20:20:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-27 20:20:55,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:20:55,740 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:20:55,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-10-27 20:20:55,740 INFO L429 AbstractCegarLoop]: === Iteration 53 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:20:55,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:20:55,741 INFO L82 PathProgramCache]: Analyzing trace with hash -69055018, now seen corresponding path program 51 times [2020-10-27 20:20:55,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:20:55,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293816915] [2020-10-27 20:20:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:20:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:55,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1914 [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:20:57,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-27 20:20:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:20:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:20:59,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:20:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:20:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 20:20:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:20:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:20:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:20:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:20:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:20:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:20:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 20:20:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 20:20:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 20:20:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 20:20:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 20:20:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 20:20:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 20:20:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 20:20:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 20:20:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 20:20:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 20:20:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 20:20:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-27 20:20:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-27 20:20:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 20:20:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-27 20:20:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 20:20:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-27 20:20:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 20:20:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:20:59,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:20:59,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:20:59,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:20:59,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:20:59,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:20:59,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:20:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:20:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:20:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:20:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:20:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 1079 proven. 351 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-27 20:20:59,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293816915] [2020-10-27 20:20:59,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:20:59,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2020-10-27 20:20:59,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975330174] [2020-10-27 20:20:59,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 58 states [2020-10-27 20:20:59,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:20:59,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2020-10-27 20:20:59,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=2491, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 20:20:59,690 INFO L87 Difference]: Start difference. First operand 226 states and 227 transitions. Second operand 58 states. [2020-10-27 20:21:05,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:21:05,163 INFO L93 Difference]: Finished difference Result 318 states and 346 transitions. [2020-10-27 20:21:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-27 20:21:05,163 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 223 [2020-10-27 20:21:05,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:21:05,165 INFO L225 Difference]: With dead ends: 318 [2020-10-27 20:21:05,166 INFO L226 Difference]: Without dead ends: 227 [2020-10-27 20:21:05,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2912 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=2549, Invalid=10107, Unknown=0, NotChecked=0, Total=12656 [2020-10-27 20:21:05,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-27 20:21:05,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-10-27 20:21:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-27 20:21:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 228 transitions. [2020-10-27 20:21:05,198 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 228 transitions. Word has length 223 [2020-10-27 20:21:05,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:21:05,198 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 228 transitions. [2020-10-27 20:21:05,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 58 states. [2020-10-27 20:21:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 228 transitions. [2020-10-27 20:21:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-27 20:21:05,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:21:05,199 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:21:05,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-10-27 20:21:05,200 INFO L429 AbstractCegarLoop]: === Iteration 54 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:21:05,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:21:05,200 INFO L82 PathProgramCache]: Analyzing trace with hash 502855546, now seen corresponding path program 52 times [2020-10-27 20:21:05,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:21:05,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808242629] [2020-10-27 20:21:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:21:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:05,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:07,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2543 [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-27 20:21:07,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:21:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:21:08,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:21:08,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:21:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:21:08,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:21:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:21:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:21:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:21:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:21:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 20:21:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 20:21:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:21:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 20:21:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 20:21:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 20:21:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 20:21:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 20:21:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 20:21:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 20:21:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 20:21:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 20:21:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 20:21:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 20:21:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 20:21:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 20:21:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-27 20:21:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 20:21:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 20:21:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 20:21:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-27 20:21:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:08,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2757 backedges. 430 proven. 1027 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-27 20:21:08,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808242629] [2020-10-27 20:21:08,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:21:08,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-27 20:21:08,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876674035] [2020-10-27 20:21:08,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-27 20:21:08,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:21:08,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-27 20:21:08,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=615, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 20:21:08,689 INFO L87 Difference]: Start difference. First operand 227 states and 228 transitions. Second operand 33 states. [2020-10-27 20:21:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:21:10,548 INFO L93 Difference]: Finished difference Result 242 states and 244 transitions. [2020-10-27 20:21:10,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 20:21:10,549 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 224 [2020-10-27 20:21:10,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:21:10,551 INFO L225 Difference]: With dead ends: 242 [2020-10-27 20:21:10,551 INFO L226 Difference]: Without dead ends: 238 [2020-10-27 20:21:10,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1319, Invalid=2587, Unknown=0, NotChecked=0, Total=3906 [2020-10-27 20:21:10,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-27 20:21:10,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2020-10-27 20:21:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 20:21:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 235 transitions. [2020-10-27 20:21:10,573 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 235 transitions. Word has length 224 [2020-10-27 20:21:10,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:21:10,574 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 235 transitions. [2020-10-27 20:21:10,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-27 20:21:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 235 transitions. [2020-10-27 20:21:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-27 20:21:10,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:21:10,575 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:21:10,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-10-27 20:21:10,576 INFO L429 AbstractCegarLoop]: === Iteration 55 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:21:10,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:21:10,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1839766283, now seen corresponding path program 53 times [2020-10-27 20:21:10,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:21:10,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131321870] [2020-10-27 20:21:10,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:21:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:10,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:12,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2218 [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-27 20:21:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:21:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:21:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:21:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:21:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:21:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:21:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:21:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 20:21:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 20:21:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:21:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 20:21:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 20:21:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 20:21:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 20:21:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 20:21:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 20:21:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 20:21:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 20:21:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 20:21:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 20:21:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 20:21:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 20:21:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 20:21:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-27 20:21:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 20:21:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 20:21:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 20:21:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-27 20:21:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 20:21:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:14,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:14,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:14,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:14,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:14,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:14,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2943 backedges. 1161 proven. 378 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-27 20:21:14,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131321870] [2020-10-27 20:21:14,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:21:14,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2020-10-27 20:21:14,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701288319] [2020-10-27 20:21:14,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 60 states [2020-10-27 20:21:14,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:21:14,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2020-10-27 20:21:14,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=873, Invalid=2667, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 20:21:14,954 INFO L87 Difference]: Start difference. First operand 234 states and 235 transitions. Second operand 60 states. [2020-10-27 20:21:19,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:21:19,375 INFO L93 Difference]: Finished difference Result 329 states and 358 transitions. [2020-10-27 20:21:19,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 20:21:19,376 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 231 [2020-10-27 20:21:19,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:21:19,378 INFO L225 Difference]: With dead ends: 329 [2020-10-27 20:21:19,378 INFO L226 Difference]: Without dead ends: 235 [2020-10-27 20:21:19,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3132 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=2727, Invalid=10845, Unknown=0, NotChecked=0, Total=13572 [2020-10-27 20:21:19,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-27 20:21:19,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2020-10-27 20:21:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-27 20:21:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 236 transitions. [2020-10-27 20:21:19,414 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 236 transitions. Word has length 231 [2020-10-27 20:21:19,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:21:19,414 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 236 transitions. [2020-10-27 20:21:19,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 60 states. [2020-10-27 20:21:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 236 transitions. [2020-10-27 20:21:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-27 20:21:19,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:21:19,416 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:21:19,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-10-27 20:21:19,416 INFO L429 AbstractCegarLoop]: === Iteration 56 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:21:19,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:21:19,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1737239193, now seen corresponding path program 54 times [2020-10-27 20:21:19,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:21:19,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955320807] [2020-10-27 20:21:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:21:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:19,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:21,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:21,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-27 20:21:21,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2383 [2020-10-27 20:21:21,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:21,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-27 20:21:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:21:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-10-27 20:21:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:21:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:21:22,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:21:22,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:21:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:21:22,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:21:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:21:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:21:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:21:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:21:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:21:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:21:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:21:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 20:21:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 20:21:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 20:21:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 20:21:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 20:21:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 20:21:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 20:21:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 20:21:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 20:21:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 20:21:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 20:21:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 20:21:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-27 20:21:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 20:21:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-27 20:21:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-27 20:21:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 20:21:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 20:21:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-27 20:21:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:22,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:22,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:22,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:22,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:22,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2971 backedges. 460 proven. 1107 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-27 20:21:22,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955320807] [2020-10-27 20:21:22,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:21:22,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 20:21:22,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159232810] [2020-10-27 20:21:22,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 20:21:22,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:21:22,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 20:21:22,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=651, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 20:21:22,795 INFO L87 Difference]: Start difference. First operand 235 states and 236 transitions. Second operand 34 states. [2020-10-27 20:21:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:21:24,817 INFO L93 Difference]: Finished difference Result 250 states and 252 transitions. [2020-10-27 20:21:24,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 20:21:24,818 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 232 [2020-10-27 20:21:24,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:21:24,820 INFO L225 Difference]: With dead ends: 250 [2020-10-27 20:21:24,820 INFO L226 Difference]: Without dead ends: 246 [2020-10-27 20:21:24,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1414, Invalid=2876, Unknown=0, NotChecked=0, Total=4290 [2020-10-27 20:21:24,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-27 20:21:24,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2020-10-27 20:21:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-27 20:21:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 243 transitions. [2020-10-27 20:21:24,859 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 243 transitions. Word has length 232 [2020-10-27 20:21:24,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:21:24,859 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 243 transitions. [2020-10-27 20:21:24,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 20:21:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 243 transitions. [2020-10-27 20:21:24,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-27 20:21:24,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:21:24,861 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:21:24,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-10-27 20:21:24,861 INFO L429 AbstractCegarLoop]: === Iteration 57 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:21:24,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:21:24,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1570324726, now seen corresponding path program 55 times [2020-10-27 20:21:24,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:21:24,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224707278] [2020-10-27 20:21:24,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:21:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:24,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:27,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2760 [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 284 [2020-10-27 20:21:27,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:21:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:21:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:21:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:21:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:21:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:21:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:21:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:21:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:21:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:21:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 20:21:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 20:21:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 20:21:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 20:21:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 20:21:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 20:21:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 20:21:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 20:21:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 20:21:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 20:21:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 20:21:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 20:21:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-27 20:21:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 20:21:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-27 20:21:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-27 20:21:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 20:21:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 20:21:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-27 20:21:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-27 20:21:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:29,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:29,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:29,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:29,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:29,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:29,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:29,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:29,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:29,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:29,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 1246 proven. 406 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-27 20:21:29,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224707278] [2020-10-27 20:21:29,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:21:29,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2020-10-27 20:21:29,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766248155] [2020-10-27 20:21:29,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 62 states [2020-10-27 20:21:29,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:21:29,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2020-10-27 20:21:29,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=933, Invalid=2849, Unknown=0, NotChecked=0, Total=3782 [2020-10-27 20:21:29,908 INFO L87 Difference]: Start difference. First operand 242 states and 243 transitions. Second operand 62 states. [2020-10-27 20:21:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:21:36,133 INFO L93 Difference]: Finished difference Result 340 states and 370 transitions. [2020-10-27 20:21:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-27 20:21:36,134 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 239 [2020-10-27 20:21:36,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:21:36,136 INFO L225 Difference]: With dead ends: 340 [2020-10-27 20:21:36,136 INFO L226 Difference]: Without dead ends: 243 [2020-10-27 20:21:36,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3360 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2911, Invalid=11609, Unknown=0, NotChecked=0, Total=14520 [2020-10-27 20:21:36,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-27 20:21:36,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2020-10-27 20:21:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-10-27 20:21:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 244 transitions. [2020-10-27 20:21:36,172 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 244 transitions. Word has length 239 [2020-10-27 20:21:36,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:21:36,173 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 244 transitions. [2020-10-27 20:21:36,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 62 states. [2020-10-27 20:21:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 244 transitions. [2020-10-27 20:21:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-27 20:21:36,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:21:36,174 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:21:36,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-10-27 20:21:36,175 INFO L429 AbstractCegarLoop]: === Iteration 58 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:21:36,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:21:36,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1678779034, now seen corresponding path program 56 times [2020-10-27 20:21:36,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:21:36,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170858274] [2020-10-27 20:21:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:21:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:36,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:38,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:38,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-27 20:21:38,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:38,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2571 [2020-10-27 20:21:38,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-27 20:21:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:21:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-27 20:21:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:21:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:21:39,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:21:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:21:39,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:21:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:21:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:21:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:21:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:21:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:21:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:21:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 20:21:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 20:21:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 20:21:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:21:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 20:21:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 20:21:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 20:21:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 20:21:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 20:21:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 20:21:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 20:21:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 20:21:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 20:21:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 20:21:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-27 20:21:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 20:21:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 20:21:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-27 20:21:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 20:21:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 20:21:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 20 [2020-10-27 20:21:39,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 20:21:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:39,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3193 backedges. 491 proven. 1190 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-27 20:21:39,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170858274] [2020-10-27 20:21:39,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:21:39,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-27 20:21:39,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252382150] [2020-10-27 20:21:39,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-27 20:21:39,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:21:39,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-27 20:21:39,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=688, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 20:21:39,792 INFO L87 Difference]: Start difference. First operand 243 states and 244 transitions. Second operand 35 states. [2020-10-27 20:21:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:21:41,816 INFO L93 Difference]: Finished difference Result 258 states and 260 transitions. [2020-10-27 20:21:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 20:21:41,817 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 240 [2020-10-27 20:21:41,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:21:41,819 INFO L225 Difference]: With dead ends: 258 [2020-10-27 20:21:41,819 INFO L226 Difference]: Without dead ends: 254 [2020-10-27 20:21:41,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1507, Invalid=3049, Unknown=0, NotChecked=0, Total=4556 [2020-10-27 20:21:41,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-27 20:21:41,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2020-10-27 20:21:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-27 20:21:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 251 transitions. [2020-10-27 20:21:41,853 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 251 transitions. Word has length 240 [2020-10-27 20:21:41,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:21:41,853 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 251 transitions. [2020-10-27 20:21:41,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-27 20:21:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 251 transitions. [2020-10-27 20:21:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-27 20:21:41,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:21:41,855 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:21:41,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-10-27 20:21:41,855 INFO L429 AbstractCegarLoop]: === Iteration 59 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:21:41,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:21:41,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1661957589, now seen corresponding path program 57 times [2020-10-27 20:21:41,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:21:41,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486277420] [2020-10-27 20:21:41,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:21:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:41,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:44,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:44,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-27 20:21:44,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2698 [2020-10-27 20:21:44,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-27 20:21:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:21:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 294 [2020-10-27 20:21:44,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:21:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:21:46,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:21:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 20:21:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:21:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:21:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:21:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:21:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:21:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 20:21:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 20:21:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 20:21:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:21:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 20:21:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 20:21:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 20:21:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 20:21:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 20:21:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 20:21:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 20:21:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 20:21:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 20:21:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 20:21:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-27 20:21:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 20:21:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 20:21:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-27 20:21:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 20:21:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 20:21:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 20:21:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 20:21:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:21:46,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:21:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:21:46,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 1334 proven. 435 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-27 20:21:46,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486277420] [2020-10-27 20:21:46,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:21:46,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2020-10-27 20:21:46,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915216876] [2020-10-27 20:21:46,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 64 states [2020-10-27 20:21:46,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:21:46,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2020-10-27 20:21:46,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=995, Invalid=3037, Unknown=0, NotChecked=0, Total=4032 [2020-10-27 20:21:46,953 INFO L87 Difference]: Start difference. First operand 250 states and 251 transitions. Second operand 64 states.