/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:04:07,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:04:07,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:04:07,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:04:07,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:04:07,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:04:07,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:04:07,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:04:07,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:04:07,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:04:07,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:04:07,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:04:07,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:04:07,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:04:07,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:04:07,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:04:07,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:04:07,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:04:07,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:04:07,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:04:07,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:04:07,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:04:07,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:04:07,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:04:07,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:04:07,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:04:07,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:04:07,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:04:07,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:04:07,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:04:07,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:04:07,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:04:07,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:04:07,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:04:07,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:04:07,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:04:07,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:04:07,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:04:07,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:04:07,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:04:07,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:04:07,720 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 04:04:07,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:04:07,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:04:07,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:04:07,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:04:07,793 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:04:07,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:04:07,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:04:07,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:04:07,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:04:07,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:04:07,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:04:07,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:04:07,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:04:07,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:04:07,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:04:07,795 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:04:07,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:04:07,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:04:07,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:04:07,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:04:07,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:04:07,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:04:07,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:04:07,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:04:07,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:04:07,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:04:07,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:04:07,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:04:07,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:04:07,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:04:08,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:04:08,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:04:08,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:04:08,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:04:08,244 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:04:08,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-27 04:04:08,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c10aff089/52c085d147f445e9b5008fb496e27031/FLAG4e21890cd [2020-10-27 04:04:08,921 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:04:08,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-27 04:04:08,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c10aff089/52c085d147f445e9b5008fb496e27031/FLAG4e21890cd [2020-10-27 04:04:09,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c10aff089/52c085d147f445e9b5008fb496e27031 [2020-10-27 04:04:09,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:04:09,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:04:09,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:04:09,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:04:09,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:04:09,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316561f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09, skipping insertion in model container [2020-10-27 04:04:09,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:04:09,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:04:09,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:04:09,516 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:04:09,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:04:09,552 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:04:09,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09 WrapperNode [2020-10-27 04:04:09,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:04:09,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:04:09,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:04:09,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:04:09,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (1/1) ... [2020-10-27 04:04:09,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:04:09,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:04:09,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:04:09,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:04:09,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (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 04:04:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:04:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:04:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:04:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 04:04:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 04:04:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:04:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 04:04:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:04:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:04:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:04:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:04:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 04:04:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 04:04:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:04:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:04:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:04:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:04:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:04:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:04:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:04:10,008 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:04:10,009 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 04:04:10,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:04:10 BoogieIcfgContainer [2020-10-27 04:04:10,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:04:10,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:04:10,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:04:10,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:04:10,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:04:09" (1/3) ... [2020-10-27 04:04:10,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fcd6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:04:10, skipping insertion in model container [2020-10-27 04:04:10,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:09" (2/3) ... [2020-10-27 04:04:10,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fcd6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:04:10, skipping insertion in model container [2020-10-27 04:04:10,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:04:10" (3/3) ... [2020-10-27 04:04:10,022 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2020-10-27 04:04:10,036 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:04:10,059 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:04:10,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:04:10,140 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:04:10,141 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:04:10,141 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:04:10,141 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:04:10,141 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:04:10,142 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:04:10,142 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:04:10,142 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:04:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 04:04:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 04:04:10,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:10,183 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:10,184 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:10,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:10,195 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 04:04:10,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:10,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1374527455] [2020-10-27 04:04:10,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:10,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:10,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 04:04:10,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-27 04:04:10,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 04:04:10,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:10,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:10,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:10,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:10,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:10,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:04:10,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:10,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:10,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:10,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:10,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:10,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:10,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:10,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:10,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:04:10,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:10,986 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 04:04:10,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1374527455] [2020-10-27 04:04:10,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:10,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:04:10,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789211976] [2020-10-27 04:04:10,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:04:10,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:11,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:04:11,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:04:11,015 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 04:04:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:11,339 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 04:04:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:04:11,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 04:04:11,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:11,352 INFO L225 Difference]: With dead ends: 50 [2020-10-27 04:04:11,352 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 04:04:11,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:04:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 04:04:11,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 04:04:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:04:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:04:11,437 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 04:04:11,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:11,438 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:04:11,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:04:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:04:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 04:04:11,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:11,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:11,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:04:11,441 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:11,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:11,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 04:04:11,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:11,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664477597] [2020-10-27 04:04:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:11,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:11,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:11,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:11,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 04:04:11,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:11,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:04:11,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:11,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:11,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:11,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 04:04:11,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:11,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:11,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:11,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:11,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:11,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:11,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:11,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 04:04:11,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:11,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:11,737 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 04:04:11,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664477597] [2020-10-27 04:04:11,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:11,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:04:11,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658585534] [2020-10-27 04:04:11,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:04:11,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:11,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:04:11,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:04:11,741 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 04:04:12,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:12,023 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 04:04:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:04:12,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 04:04:12,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:12,026 INFO L225 Difference]: With dead ends: 39 [2020-10-27 04:04:12,026 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 04:04:12,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:04:12,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 04:04:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 04:04:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:04:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:04:12,049 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 04:04:12,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:12,050 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:04:12,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:04:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:04:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 04:04:12,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:12,052 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, 1, 1, 1, 1, 1] [2020-10-27 04:04:12,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:04:12,052 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:12,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:12,053 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 04:04:12,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:12,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946161888] [2020-10-27 04:04:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:12,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:12,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:12,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:12,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:12,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 04:04:12,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 837 [2020-10-27 04:04:12,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:04:12,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:12,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:12,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:12,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:12,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:04:12,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:12,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:13,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:13,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:13,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:13,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:13,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 04:04:13,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:13,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:13,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:13,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:13,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:13,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:13,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:13,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:04:13,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:13,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:13,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:13,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:13,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:13,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:13,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:13,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:13,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:04:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:04:13,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946161888] [2020-10-27 04:04:13,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:13,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:04:13,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611815325] [2020-10-27 04:04:13,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:04:13,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:13,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:04:13,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:04:13,268 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-27 04:04:13,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:13,797 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-27 04:04:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:04:13,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 04:04:13,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:13,800 INFO L225 Difference]: With dead ends: 44 [2020-10-27 04:04:13,801 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 04:04:13,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:04:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 04:04:13,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-27 04:04:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:04:13,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:04:13,828 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-27 04:04:13,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:13,829 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:04:13,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:04:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:04:13,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 04:04:13,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:13,834 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, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:13,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:04:13,835 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:13,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:13,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 04:04:13,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:13,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223417104] [2020-10-27 04:04:13,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:13,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:14,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:04:14,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:14,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-27 04:04:14,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:14,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:14,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 04:04:14,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:14,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:14,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:14,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:14,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:14,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:14,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:04:14,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-27 04:04:14,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:14,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:14,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:14,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:14,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:14,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:14,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:04:14,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:14,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:14,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:14,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:14,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:14,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:04:14,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:14,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:04:14,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223417104] [2020-10-27 04:04:14,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:14,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 04:04:14,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408775700] [2020-10-27 04:04:14,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:04:14,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:14,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:04:14,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:04:14,760 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-27 04:04:15,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:15,260 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2020-10-27 04:04:15,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:04:15,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 04:04:15,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:15,266 INFO L225 Difference]: With dead ends: 49 [2020-10-27 04:04:15,266 INFO L226 Difference]: Without dead ends: 44 [2020-10-27 04:04:15,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:04:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-27 04:04:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2020-10-27 04:04:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:04:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:04:15,293 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 30 [2020-10-27 04:04:15,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:15,297 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:04:15,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:04:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:04:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 04:04:15,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:15,302 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:15,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:04:15,302 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:15,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:15,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-27 04:04:15,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:15,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8818044] [2020-10-27 04:04:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:15,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:18,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:20,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 04:04:20,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:04:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 04:04:20,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:04:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:20,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:20,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:20,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:20,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:20,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:25,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 04:04:25,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:04:25,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:04:25,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 04:04:25,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:25,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:25,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:25,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:25,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:25,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 04:04:25,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:25,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:25,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:25,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:25,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:25,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:25,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:25,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:25,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:25,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:25,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:25,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:25,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:25,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:25,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:25,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:25,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:25,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:25,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:04:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:25,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:25,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:25,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 04:04:25,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:25,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:25,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:25,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:25,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:04:25,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:04:25,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:25,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:25,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:25,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:25,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:25,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 04:04:25,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8818044] [2020-10-27 04:04:25,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:25,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:04:25,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689824165] [2020-10-27 04:04:25,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:04:25,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:25,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:04:25,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:04:25,672 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 10 states. [2020-10-27 04:04:26,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:26,272 INFO L93 Difference]: Finished difference Result 58 states and 83 transitions. [2020-10-27 04:04:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:04:26,273 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-27 04:04:26,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:26,278 INFO L225 Difference]: With dead ends: 58 [2020-10-27 04:04:26,278 INFO L226 Difference]: Without dead ends: 53 [2020-10-27 04:04:26,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:04:26,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-27 04:04:26,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-10-27 04:04:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 04:04:26,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2020-10-27 04:04:26,295 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 54 [2020-10-27 04:04:26,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:26,296 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2020-10-27 04:04:26,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:04:26,296 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2020-10-27 04:04:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 04:04:26,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:26,298 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:26,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:04:26,299 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:26,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:26,299 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-27 04:04:26,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:26,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106942790] [2020-10-27 04:04:26,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:26,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:31,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 04:04:31,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:04:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:04:31,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:04:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:31,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:31,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:31,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:31,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:31,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:31,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:31,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:31,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:31,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:04:36,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:04:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:04:36,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:04:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:36,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:04:36,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:36,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:36,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:36,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:36,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:36,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:36,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:36,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:36,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 04:04:36,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:36,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:04:36,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:36,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:36,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:36,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:36,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 04:04:36,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106942790] [2020-10-27 04:04:36,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:36,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 04:04:36,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366652580] [2020-10-27 04:04:36,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:04:36,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:36,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:04:36,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:04:36,618 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand 9 states. [2020-10-27 04:04:37,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:37,178 INFO L93 Difference]: Finished difference Result 68 states and 106 transitions. [2020-10-27 04:04:37,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:04:37,180 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-27 04:04:37,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:37,182 INFO L225 Difference]: With dead ends: 68 [2020-10-27 04:04:37,182 INFO L226 Difference]: Without dead ends: 63 [2020-10-27 04:04:37,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:04:37,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-27 04:04:37,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2020-10-27 04:04:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-27 04:04:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 93 transitions. [2020-10-27 04:04:37,200 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 93 transitions. Word has length 56 [2020-10-27 04:04:37,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:37,201 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 93 transitions. [2020-10-27 04:04:37,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:04:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2020-10-27 04:04:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 04:04:37,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:37,206 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:37,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:04:37,206 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:37,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1577514399, now seen corresponding path program 1 times [2020-10-27 04:04:37,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:37,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015015718] [2020-10-27 04:04:37,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 04:04:42,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:42,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:42,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:42,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:42,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:42,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:42,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:47,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 04:04:47,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:04:47,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:04:47,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:04:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:04:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 04:04:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:47,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:47,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:48,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:04:48,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:04:48,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-27 04:04:48,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:48,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:04:48,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:48,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:04:48,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:48,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:48,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:48,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:48,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:48,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 04:04:48,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:48,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:48,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:48,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:48,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:48,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:48,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:48,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:04:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:48,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:48,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:48,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:48,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:04:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:48,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:49,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:04:49,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:04:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-10-27 04:04:49,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:04:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:49,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:49,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:49,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:49,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:49,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 04:04:49,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:49,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:49,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:49,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:49,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:49,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:49,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:49,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:49,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:49,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:49,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:49,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:49,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:04:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:49,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:49,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:49,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:49,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:49,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:49,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:49,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-27 04:04:49,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015015718] [2020-10-27 04:04:49,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:49,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 04:04:49,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999770885] [2020-10-27 04:04:49,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 04:04:49,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:49,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 04:04:49,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:04:49,318 INFO L87 Difference]: Start difference. First operand 60 states and 93 transitions. Second operand 16 states. [2020-10-27 04:04:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:50,575 INFO L93 Difference]: Finished difference Result 141 states and 273 transitions. [2020-10-27 04:04:50,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 04:04:50,578 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 80 [2020-10-27 04:04:50,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:50,588 INFO L225 Difference]: With dead ends: 141 [2020-10-27 04:04:50,588 INFO L226 Difference]: Without dead ends: 88 [2020-10-27 04:04:50,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:04:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-27 04:04:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 74. [2020-10-27 04:04:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 04:04:50,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 119 transitions. [2020-10-27 04:04:50,640 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 119 transitions. Word has length 80 [2020-10-27 04:04:50,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:50,641 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 119 transitions. [2020-10-27 04:04:50,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 04:04:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 119 transitions. [2020-10-27 04:04:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 04:04:50,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:50,650 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:50,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:04:50,650 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:50,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:50,651 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-27 04:04:50,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:50,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539463454] [2020-10-27 04:04:50,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:55,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 04:04:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:04:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:04:55,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:04:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 04:04:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:55,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:55,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:55,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:55,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:55,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:55,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 04:05:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:00,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:00,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:05:01,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:05:01,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-27 04:05:01,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:01,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:01,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 04:05:01,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:01,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:01,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:01,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 04:05:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:05:01,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:05:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-27 04:05:01,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:05:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:02,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:02,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:02,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 04:05:02,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:02,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:02,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:02,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:02,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:02,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:02,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:02,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:02,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:02,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:05:02,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:02,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:02,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:02,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:02,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:02,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:02,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:02,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:02,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:02,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:02,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:02,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:02,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:02,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:02,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:02,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:02,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 39 proven. 47 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-27 04:05:02,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539463454] [2020-10-27 04:05:02,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:02,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 04:05:02,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474136330] [2020-10-27 04:05:02,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 04:05:02,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:02,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 04:05:02,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 04:05:02,172 INFO L87 Difference]: Start difference. First operand 74 states and 119 transitions. Second operand 19 states. [2020-10-27 04:05:03,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:03,737 INFO L93 Difference]: Finished difference Result 151 states and 279 transitions. [2020-10-27 04:05:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 04:05:03,738 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 82 [2020-10-27 04:05:03,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:03,742 INFO L225 Difference]: With dead ends: 151 [2020-10-27 04:05:03,742 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 04:05:03,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=167, Invalid=889, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 04:05:03,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 04:05:03,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2020-10-27 04:05:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 04:05:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions. [2020-10-27 04:05:03,761 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 82 [2020-10-27 04:05:03,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:03,762 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 112 transitions. [2020-10-27 04:05:03,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 04:05:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2020-10-27 04:05:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 04:05:03,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:03,768 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:03,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:05:03,771 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:03,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:03,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-27 04:05:03,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:03,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892582949] [2020-10-27 04:05:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:03,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:05,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 04:05:08,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:05:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:05:08,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 04:05:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:08,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:08,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:08,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:13,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:05:13,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:05:13,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:05:13,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 04:05:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:13,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:14,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:14,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-27 04:05:14,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:14,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:14,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:14,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:14,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:14,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:14,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:14,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:14,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:14,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:14,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:14,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:05:14,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:14,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:14,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:14,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:14,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:14,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:14,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:14,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:14,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:14,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:14,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:14,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:14,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:14,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:14,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:14,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:14,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 61 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-27 04:05:14,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892582949] [2020-10-27 04:05:14,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:14,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 04:05:14,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798006888] [2020-10-27 04:05:14,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 04:05:14,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:14,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 04:05:14,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:05:14,503 INFO L87 Difference]: Start difference. First operand 74 states and 112 transitions. Second operand 11 states. [2020-10-27 04:05:15,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:15,180 INFO L93 Difference]: Finished difference Result 100 states and 173 transitions. [2020-10-27 04:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:05:15,180 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-27 04:05:15,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:15,187 INFO L225 Difference]: With dead ends: 100 [2020-10-27 04:05:15,187 INFO L226 Difference]: Without dead ends: 95 [2020-10-27 04:05:15,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-10-27 04:05:15,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-27 04:05:15,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2020-10-27 04:05:15,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-27 04:05:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 132 transitions. [2020-10-27 04:05:15,207 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 132 transitions. Word has length 84 [2020-10-27 04:05:15,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:15,207 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 132 transitions. [2020-10-27 04:05:15,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 04:05:15,208 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2020-10-27 04:05:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 04:05:15,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:15,210 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:15,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 04:05:15,210 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:15,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:15,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1437447338, now seen corresponding path program 2 times [2020-10-27 04:05:15,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:15,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744927560] [2020-10-27 04:05:15,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:15,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 04:05:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:20,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:20,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 04:05:25,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:05:25,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:05:25,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 04:05:25,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:05:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:25,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 04:05:25,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:25,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:25,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:25,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:05:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:25,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:05:25,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:25,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:25,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:25,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:25,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:25,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-27 04:05:25,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744927560] [2020-10-27 04:05:25,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:25,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:05:25,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291563138] [2020-10-27 04:05:25,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:05:25,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:25,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:05:25,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:05:25,835 INFO L87 Difference]: Start difference. First operand 82 states and 132 transitions. Second operand 10 states. [2020-10-27 04:05:26,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:26,616 INFO L93 Difference]: Finished difference Result 147 states and 287 transitions. [2020-10-27 04:05:26,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 04:05:26,617 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-10-27 04:05:26,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:26,622 INFO L225 Difference]: With dead ends: 147 [2020-10-27 04:05:26,622 INFO L226 Difference]: Without dead ends: 142 [2020-10-27 04:05:26,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-27 04:05:26,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-27 04:05:26,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 124. [2020-10-27 04:05:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-27 04:05:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 228 transitions. [2020-10-27 04:05:26,679 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 228 transitions. Word has length 85 [2020-10-27 04:05:26,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:26,680 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 228 transitions. [2020-10-27 04:05:26,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:05:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 228 transitions. [2020-10-27 04:05:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-27 04:05:26,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:26,683 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:26,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 04:05:26,683 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:26,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:26,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1851159598, now seen corresponding path program 3 times [2020-10-27 04:05:26,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:26,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452802637] [2020-10-27 04:05:26,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:26,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:31,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:31,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:31,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:31,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:31,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:36,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:05:36,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:05:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:05:36,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:05:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:05:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 04:05:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:37,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:05:37,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:37,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1102 [2020-10-27 04:05:37,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:05:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:37,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:37,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:05:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:38,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:38,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:38,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:38,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:38,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:38,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:38,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:38,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:38,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:38,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:38,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:38,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:38,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:38,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:05:38,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:38,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:38,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:38,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:38,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:38,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:38,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:38,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:38,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:38,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:38,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:38,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:38,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:38,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:38,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:38,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:05:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:39,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:39,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 04:05:39,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:39,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:39,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:05:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 04:05:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:39,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:39,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:39,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:39,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:39,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:39,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:39,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:39,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:39,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:39,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:39,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:39,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:39,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 64 proven. 73 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-27 04:05:39,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452802637] [2020-10-27 04:05:39,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:39,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 04:05:39,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194813265] [2020-10-27 04:05:39,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 04:05:39,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:39,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 04:05:39,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:05:39,150 INFO L87 Difference]: Start difference. First operand 124 states and 228 transitions. Second operand 16 states. [2020-10-27 04:05:40,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:40,753 INFO L93 Difference]: Finished difference Result 261 states and 557 transitions. [2020-10-27 04:05:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 04:05:40,753 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 98 [2020-10-27 04:05:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:40,756 INFO L225 Difference]: With dead ends: 261 [2020-10-27 04:05:40,756 INFO L226 Difference]: Without dead ends: 104 [2020-10-27 04:05:40,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 04:05:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-27 04:05:40,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 90. [2020-10-27 04:05:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-27 04:05:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 128 transitions. [2020-10-27 04:05:40,801 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 128 transitions. Word has length 98 [2020-10-27 04:05:40,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:40,801 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 128 transitions. [2020-10-27 04:05:40,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 04:05:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 128 transitions. [2020-10-27 04:05:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 04:05:40,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:40,806 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:40,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 04:05:40,807 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:40,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:40,812 INFO L82 PathProgramCache]: Analyzing trace with hash 715643782, now seen corresponding path program 1 times [2020-10-27 04:05:40,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:40,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95904572] [2020-10-27 04:05:40,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:45,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 04:05:45,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 04:05:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:05:45,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:45,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 04:05:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:45,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:45,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:45,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:45,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:45,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:47,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:47,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:47,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:47,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:47,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 04:05:50,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:05:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:05:50,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:05:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:05:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 04:05:50,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:50,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:50,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:55,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:55,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 04:05:55,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 04:05:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:05:55,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:05:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:05:55,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:56,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:56,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1494 [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:57,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:57,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:57,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:57,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:57,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 04:05:57,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:57,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:57,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:05:57,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:57,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:57,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:57,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:57,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:57,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:57,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:57,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:57,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:57,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1109 [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:58,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:58,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:58,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:59,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:05:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 04:05:59,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:05:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:59,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:05:59,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:59,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:59,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:59,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:59,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 04:05:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1440 [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:00,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 04:06:00,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:00,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 106 proven. 141 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-27 04:06:00,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95904572] [2020-10-27 04:06:00,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:00,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 04:06:00,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135384433] [2020-10-27 04:06:01,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 04:06:01,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:01,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 04:06:01,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2020-10-27 04:06:01,001 INFO L87 Difference]: Start difference. First operand 90 states and 128 transitions. Second operand 26 states. [2020-10-27 04:06:03,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:03,664 INFO L93 Difference]: Finished difference Result 185 states and 291 transitions. [2020-10-27 04:06:03,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 04:06:03,664 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 126 [2020-10-27 04:06:03,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:03,667 INFO L225 Difference]: With dead ends: 185 [2020-10-27 04:06:03,667 INFO L226 Difference]: Without dead ends: 107 [2020-10-27 04:06:03,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=345, Invalid=2307, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 04:06:03,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-27 04:06:03,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 97. [2020-10-27 04:06:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-27 04:06:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2020-10-27 04:06:03,692 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 126 [2020-10-27 04:06:03,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:03,693 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2020-10-27 04:06:03,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 04:06:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2020-10-27 04:06:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 04:06:03,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:03,696 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:03,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 04:06:03,697 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:03,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:03,697 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 2 times [2020-10-27 04:06:03,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:03,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741752863] [2020-10-27 04:06:03,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 04:06:04,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-27 04:06:04,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 04:06:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 04:06:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 04:06:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:04,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:04,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:06:04,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-27 04:06:04,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 04:06:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 04:06:04,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:06:04,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-27 04:06:04,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:06:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 04:06:04,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:05,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 04:06:05,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:06:05,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:06:05,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:05,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:06:05,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:05,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:06:05,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:05,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:05,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:06:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:05,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:05,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:05,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:05,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:05,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:06:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:05,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:05,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:06:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:05,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 04:06:05,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:05,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:06:05,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:05,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:06:05,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:05,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:05,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:06:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:05,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:05,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:05,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:05,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:05,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:05,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:05,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:05,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:05,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:05,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:05,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:05,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-27 04:06:05,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741752863] [2020-10-27 04:06:05,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:05,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 04:06:05,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107511021] [2020-10-27 04:06:05,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 04:06:05,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:05,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 04:06:05,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:06:05,867 INFO L87 Difference]: Start difference. First operand 97 states and 122 transitions. Second operand 24 states. [2020-10-27 04:06:08,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:08,028 INFO L93 Difference]: Finished difference Result 112 states and 147 transitions. [2020-10-27 04:06:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 04:06:08,029 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 111 [2020-10-27 04:06:08,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:08,032 INFO L225 Difference]: With dead ends: 112 [2020-10-27 04:06:08,032 INFO L226 Difference]: Without dead ends: 107 [2020-10-27 04:06:08,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=141, Invalid=1751, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 04:06:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-27 04:06:08,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102. [2020-10-27 04:06:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 04:06:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 136 transitions. [2020-10-27 04:06:08,047 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 136 transitions. Word has length 111 [2020-10-27 04:06:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:08,050 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 136 transitions. [2020-10-27 04:06:08,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 04:06:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2020-10-27 04:06:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 04:06:08,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:08,054 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:08,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 04:06:08,054 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:08,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:08,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1046020530, now seen corresponding path program 3 times [2020-10-27 04:06:08,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:08,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129897806] [2020-10-27 04:06:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:08,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:09,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:13,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 04:06:13,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:06:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:06:13,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 04:06:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:13,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:13,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:13,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:13,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:13,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:13,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:13,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:18,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 04:06:18,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-27 04:06:18,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 04:06:18,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:06:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 04:06:18,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:18,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:06:23,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 04:06:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:06:23,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:06:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:25,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:25,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1871 [2020-10-27 04:06:25,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:25,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:25,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:25,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:25,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 04:06:25,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:25,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:25,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:25,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:25,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:25,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:25,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:06:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 04:06:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:30,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:30,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:06:35,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:06:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:06:35,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:06:35,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:35,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:06:35,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:35,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:35,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:35,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:35,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:35,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:35,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:35,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:35,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:35,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:35,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 04:06:35,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:35,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:35,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:35,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:35,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:35,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:35,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:06:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:35,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:35,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:35,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 157 proven. 176 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-10-27 04:06:35,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129897806] [2020-10-27 04:06:35,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:35,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 04:06:35,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220811505] [2020-10-27 04:06:35,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 04:06:35,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:35,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 04:06:35,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:06:35,992 INFO L87 Difference]: Start difference. First operand 102 states and 136 transitions. Second operand 24 states. [2020-10-27 04:06:38,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:38,345 INFO L93 Difference]: Finished difference Result 194 states and 278 transitions. [2020-10-27 04:06:38,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 04:06:38,353 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 152 [2020-10-27 04:06:38,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:38,356 INFO L225 Difference]: With dead ends: 194 [2020-10-27 04:06:38,356 INFO L226 Difference]: Without dead ends: 106 [2020-10-27 04:06:38,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=263, Invalid=1629, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 04:06:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-27 04:06:38,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 95. [2020-10-27 04:06:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 04:06:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2020-10-27 04:06:38,377 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 152 [2020-10-27 04:06:38,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:38,378 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2020-10-27 04:06:38,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 04:06:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2020-10-27 04:06:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 04:06:38,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:38,380 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:38,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 04:06:38,380 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:38,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:38,381 INFO L82 PathProgramCache]: Analyzing trace with hash -737203870, now seen corresponding path program 4 times [2020-10-27 04:06:38,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:38,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710178304] [2020-10-27 04:06:38,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:38,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:39,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:39,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:39,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:39,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:40,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:43,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 04:06:43,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 04:06:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:06:43,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 04:06:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:43,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:43,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:43,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:43,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:43,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:43,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:43,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:43,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:43,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:43,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:43,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:44,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:44,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:44,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:44,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:48,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 04:06:48,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:06:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 04:06:48,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 04:06:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 04:06:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:48,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:53,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:06:53,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 04:06:53,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:06:53,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:06:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:06:53,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:53,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:06:58,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:58,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:58,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:58,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:58,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:58,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:58,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:58,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:58,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:58,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:58,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:58,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:58,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:58,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:58,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:58,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:58,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:58,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:58,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:58,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:06:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:59,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-27 04:06:59,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:06:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:59,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:59,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 04:06:59,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:59,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:06:59,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:59,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:59,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:59,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:59,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:59,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:59,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:06:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:59,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-27 04:06:59,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:59,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:59,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:59,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 170 proven. 162 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-10-27 04:06:59,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710178304] [2020-10-27 04:06:59,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:59,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 04:06:59,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478578586] [2020-10-27 04:06:59,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 04:06:59,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:59,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 04:06:59,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-27 04:06:59,794 INFO L87 Difference]: Start difference. First operand 95 states and 116 transitions. Second operand 20 states. [2020-10-27 04:07:01,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:07:01,676 INFO L93 Difference]: Finished difference Result 193 states and 262 transitions. [2020-10-27 04:07:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 04:07:01,678 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 152 [2020-10-27 04:07:01,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:07:01,679 INFO L225 Difference]: With dead ends: 193 [2020-10-27 04:07:01,679 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 04:07:01,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=234, Invalid=1326, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 04:07:01,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 04:07:01,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 04:07:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 04:07:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 04:07:01,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-10-27 04:07:01,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:07:01,683 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 04:07:01,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 04:07:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 04:07:01,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 04:07:01,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 04:07:01,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 04:07:03,750 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 21 [2020-10-27 04:07:04,378 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 25 [2020-10-27 04:07:04,729 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 7 [2020-10-27 04:07:04,781 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 04:07:04,782 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 04:07:04,782 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 04:07:04,782 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 04:07:04,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 04:07:04,783 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 04:07:04,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 04:07:04,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 04:07:04,783 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 04:07:04,783 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 04:07:04,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 04:07:04,783 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 37 44) the Hoare annotation is: true [2020-10-27 04:07:04,784 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 37 44) no Hoare annotation was computed. [2020-10-27 04:07:04,784 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 37 44) no Hoare annotation was computed. [2020-10-27 04:07:04,784 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: false [2020-10-27 04:07:04,784 INFO L274 CegarLoopResult]: For program point L40(lines 40 42) no Hoare annotation was computed. [2020-10-27 04:07:04,784 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-27 04:07:04,784 INFO L270 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (= 5 main_~x~0) [2020-10-27 04:07:04,784 INFO L274 CegarLoopResult]: For program point L39-1(line 39) no Hoare annotation was computed. [2020-10-27 04:07:04,784 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2020-10-27 04:07:04,784 INFO L277 CegarLoopResult]: At program point fibo2ENTRY(lines 19 27) the Hoare annotation is: true [2020-10-27 04:07:04,784 INFO L270 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (not (<= |fibo2_#in~n| 1))) [2020-10-27 04:07:04,785 INFO L274 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-10-27 04:07:04,785 INFO L270 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (or (and (<= |fibo2_#t~ret9| 2) (<= 4 |fibo2_#in~n|) (<= 2 |fibo2_#t~ret9|)) (and (<= |fibo2_#in~n| 3) (= |fibo2_#t~ret9| 1)) (<= 5 |fibo2_#in~n|)) (not (<= |fibo2_#in~n| 1))) [2020-10-27 04:07:04,785 INFO L274 CegarLoopResult]: For program point L22(lines 22 26) no Hoare annotation was computed. [2020-10-27 04:07:04,785 INFO L274 CegarLoopResult]: For program point L25-3(line 25) no Hoare annotation was computed. [2020-10-27 04:07:04,785 INFO L274 CegarLoopResult]: For program point L20(lines 20 26) no Hoare annotation was computed. [2020-10-27 04:07:04,785 INFO L274 CegarLoopResult]: For program point fibo2FINAL(lines 19 27) no Hoare annotation was computed. [2020-10-27 04:07:04,785 INFO L274 CegarLoopResult]: For program point fibo2EXIT(lines 19 27) no Hoare annotation was computed. [2020-10-27 04:07:04,785 INFO L277 CegarLoopResult]: At program point fibo1ENTRY(lines 9 17) the Hoare annotation is: true [2020-10-27 04:07:04,785 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 1)) (= fibo1_~n |fibo1_#in~n|)) [2020-10-27 04:07:04,786 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-10-27 04:07:04,786 INFO L270 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 1)) (let ((.cse1 (<= fibo1_~n 4)) (.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 3 |fibo1_#t~ret7|) (<= 5 fibo1_~n) .cse0 (<= |fibo1_#t~ret7| 3)) (and .cse0 (<= 6 fibo1_~n)) (and .cse1 (<= 4 |fibo1_#in~n|) .cse0) (and (<= 1 |fibo1_#t~ret7|) .cse1 (<= |fibo1_#t~ret7| 1) .cse0)))) [2020-10-27 04:07:04,786 INFO L274 CegarLoopResult]: For program point L12(lines 12 16) no Hoare annotation was computed. [2020-10-27 04:07:04,786 INFO L274 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-10-27 04:07:04,786 INFO L274 CegarLoopResult]: For program point fibo1FINAL(lines 9 17) no Hoare annotation was computed. [2020-10-27 04:07:04,786 INFO L274 CegarLoopResult]: For program point L10(lines 10 16) no Hoare annotation was computed. [2020-10-27 04:07:04,786 INFO L274 CegarLoopResult]: For program point fibo1EXIT(lines 9 17) no Hoare annotation was computed. [2020-10-27 04:07:04,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:07:04 BoogieIcfgContainer [2020-10-27 04:07:04,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 04:07:04,794 INFO L168 Benchmark]: Toolchain (without parser) took 175500.64 ms. Allocated memory was 125.8 MB in the beginning and 746.6 MB in the end (delta: 620.8 MB). Free memory was 101.4 MB in the beginning and 554.9 MB in the end (delta: -453.6 MB). Peak memory consumption was 456.7 MB. Max. memory is 8.0 GB. [2020-10-27 04:07:04,794 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 125.8 MB. Free memory is still 85.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 04:07:04,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.86 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 91.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 04:07:04,796 INFO L168 Benchmark]: Boogie Preprocessor took 35.42 ms. Allocated memory is still 125.8 MB. Free memory was 91.5 MB in the beginning and 89.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 04:07:04,796 INFO L168 Benchmark]: RCFGBuilder took 421.16 ms. Allocated memory is still 125.8 MB. Free memory was 89.5 MB in the beginning and 75.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-27 04:07:04,797 INFO L168 Benchmark]: TraceAbstraction took 174778.54 ms. Allocated memory was 125.8 MB in the beginning and 746.6 MB in the end (delta: 620.8 MB). Free memory was 75.0 MB in the beginning and 554.9 MB in the end (delta: -480.0 MB). Peak memory consumption was 430.5 MB. Max. memory is 8.0 GB. [2020-10-27 04:07:04,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 125.8 MB. Free memory is still 85.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 252.86 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 91.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.42 ms. Allocated memory is still 125.8 MB. Free memory was 91.5 MB in the beginning and 89.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 421.16 ms. Allocated memory is still 125.8 MB. Free memory was 89.5 MB in the beginning and 75.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 174778.54 ms. Allocated memory was 125.8 MB in the beginning and 746.6 MB in the end (delta: 620.8 MB). Free memory was 75.0 MB in the beginning and 554.9 MB in the end (delta: -480.0 MB). Peak memory consumption was 430.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 171.5s, OverallIterations: 15, TraceHistogramMax: 11, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 443 SDtfs, 985 SDslu, 1275 SDs, 0 SdLazy, 5979 SolverSat, 952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 720 GetRequests, 353 SyntacticMatches, 11 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 118 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 378 PreInvPairs, 672 NumberOfFragments, 135 HoareAnnotationTreeSize, 378 FomulaSimplifications, 21930 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 13 FomulaSimplificationsInter, 6060 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 152.3s InterpolantComputationTime, 1169 NumberOfCodeBlocks, 1169 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1154 ConstructedInterpolants, 0 QuantifiedInterpolants, 346281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 1675/2533 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...