/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:17:52,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:17:52,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:17:52,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:17:52,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:17:52,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:17:52,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:17:52,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:17:52,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:17:52,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:17:52,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:17:52,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:17:52,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:17:52,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:17:52,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:17:52,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:17:52,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:17:52,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:17:52,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:17:52,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:17:52,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:17:52,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:17:52,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:17:52,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:17:52,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:17:52,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:17:52,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:17:52,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:17:52,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:17:52,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:17:52,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:17:52,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:17:52,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:17:52,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:17:52,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:17:52,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:17:52,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:17:52,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:17:52,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:17:52,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:17:52,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:17:52,764 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 [2020-10-28 17:17:52,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:17:52,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:17:52,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:17:52,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:17:52,817 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:17:52,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:17:52,818 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:17:52,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:17:52,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:17:52,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:17:52,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:17:52,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:17:52,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:17:52,820 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:17:52,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:17:52,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:17:52,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:17:52,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:17:52,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:17:52,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:17:52,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:17:52,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:17:52,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:17:52,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:17:52,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:17:52,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:17:52,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:17:52,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:17:52,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:17:52,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:17:53,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:17:53,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:17:53,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:17:53,323 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:17:53,323 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:17:53,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-10-28 17:17:53,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb11c480f/40039e6a1c624d15a3aa0f75a994d4ba/FLAG24a9932f8 [2020-10-28 17:17:54,044 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:17:54,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-10-28 17:17:54,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb11c480f/40039e6a1c624d15a3aa0f75a994d4ba/FLAG24a9932f8 [2020-10-28 17:17:54,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb11c480f/40039e6a1c624d15a3aa0f75a994d4ba [2020-10-28 17:17:54,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:17:54,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:17:54,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:17:54,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:17:54,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:17:54,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f45be95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54, skipping insertion in model container [2020-10-28 17:17:54,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:17:54,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:17:54,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:17:54,613 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:17:54,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:17:54,648 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:17:54,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54 WrapperNode [2020-10-28 17:17:54,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:17:54,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:17:54,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:17:54,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:17:54,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (1/1) ... [2020-10-28 17:17:54,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:17:54,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:17:54,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:17:54,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:17:54,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (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 [2020-10-28 17:17:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:17:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:17:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:17:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-28 17:17:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-28 17:17:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:17:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:17:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:17:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:17:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:17:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:17:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-28 17:17:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-28 17:17:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:17:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:17:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:17:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:17:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:17:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:17:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:17:55,122 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:17:55,123 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 17:17:55,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:17:55 BoogieIcfgContainer [2020-10-28 17:17:55,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:17:55,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:17:55,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:17:55,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:17:55,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:17:54" (1/3) ... [2020-10-28 17:17:55,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708f2d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:17:55, skipping insertion in model container [2020-10-28 17:17:55,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:17:54" (2/3) ... [2020-10-28 17:17:55,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708f2d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:17:55, skipping insertion in model container [2020-10-28 17:17:55,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:17:55" (3/3) ... [2020-10-28 17:17:55,148 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-10-28 17:17:55,180 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:17:55,191 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:17:55,220 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:17:55,252 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:17:55,252 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:17:55,253 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:17:55,253 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:17:55,253 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:17:55,253 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:17:55,253 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:17:55,253 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:17:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-28 17:17:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-28 17:17:55,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:17:55,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:17:55,324 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:17:55,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:17:55,338 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-28 17:17:55,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:17:55,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593710641] [2020-10-28 17:17:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:17:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:55,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:55,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:55,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 17:17:55,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-28 17:17:55,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:55,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:17:55,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:17:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:17:55,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 17:17:55,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:17:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:55,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:55,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:55,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:17:55,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:17:55,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:55,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:17:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:17:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:17:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:17:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:55,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:55,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:55,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:17:55,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:17:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:55,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:17:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:17:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:17:55,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:17:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:17:56,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593710641] [2020-10-28 17:17:56,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:17:56,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:17:56,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878709478] [2020-10-28 17:17:56,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:17:56,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:17:56,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:17:56,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:17:56,039 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-28 17:17:56,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:17:56,409 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-28 17:17:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:17:56,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-28 17:17:56,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:17:56,440 INFO L225 Difference]: With dead ends: 50 [2020-10-28 17:17:56,441 INFO L226 Difference]: Without dead ends: 32 [2020-10-28 17:17:56,445 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 [2020-10-28 17:17:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-28 17:17:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-28 17:17:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:17:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:17:56,529 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-28 17:17:56,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:17:56,530 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:17:56,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:17:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:17:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-28 17:17:56,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:17:56,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:17:56,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:17:56,536 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:17:56,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:17:56,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-28 17:17:56,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:17:56,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677502008] [2020-10-28 17:17:56,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:17:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:56,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:56,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:17:56,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:56,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 17:17:56,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:56,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:17:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:17:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:17:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:17:56,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:17:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:56,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:56,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:56,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:17:56,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:56,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:17:56,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:56,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:56,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:17:56,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:56,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:17:56,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:17:56,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:17:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:56,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:56,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:56,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:17:56,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:56,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:17:56,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:56,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:56,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:17:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:17:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:17:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:17:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:17:56,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677502008] [2020-10-28 17:17:56,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:17:56,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:17:56,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035303934] [2020-10-28 17:17:56,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:17:56,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:17:56,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:17:56,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:17:56,817 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-28 17:17:57,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:17:57,090 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-28 17:17:57,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:17:57,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-28 17:17:57,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:17:57,093 INFO L225 Difference]: With dead ends: 39 [2020-10-28 17:17:57,093 INFO L226 Difference]: Without dead ends: 34 [2020-10-28 17:17:57,094 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 [2020-10-28 17:17:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-28 17:17:57,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-28 17:17:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:17:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:17:57,106 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-28 17:17:57,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:17:57,106 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:17:57,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:17:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:17:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-28 17:17:57,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:17:57,108 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] [2020-10-28 17:17:57,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:17:57,109 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:17:57,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:17:57,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-28 17:17:57,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:17:57,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365299467] [2020-10-28 17:17:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:17:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:57,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:57,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:57,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:57,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 17:17:57,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:17:57,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 813 [2020-10-28 17:17:57,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:57,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:17:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:17:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:17:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:17:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:17:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:57,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:58,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:17:58,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:17:58,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:58,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:17:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:17:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:17:58,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:17:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:58,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:58,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:58,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:58,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:58,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:17:58,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:17:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-28 17:17:58,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:58,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:17:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:17:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:17:58,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:17:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:17:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:58,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:58,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:58,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:17:58,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:58,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:17:58,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:58,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:17:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:17:58,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:17:58,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:17:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:58,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:58,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:58,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:17:58,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:17:58,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:58,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:17:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:17:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:17:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:17:58,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365299467] [2020-10-28 17:17:58,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:17:58,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:17:58,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497859590] [2020-10-28 17:17:58,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:17:58,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:17:58,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:17:58,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:17:58,272 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-28 17:17:58,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:17:58,752 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-10-28 17:17:58,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:17:58,753 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-28 17:17:58,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:17:58,756 INFO L225 Difference]: With dead ends: 51 [2020-10-28 17:17:58,756 INFO L226 Difference]: Without dead ends: 46 [2020-10-28 17:17:58,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:17:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-28 17:17:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-10-28 17:17:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-28 17:17:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-28 17:17:58,773 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 28 [2020-10-28 17:17:58,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:17:58,773 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-28 17:17:58,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:17:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-28 17:17:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 17:17:58,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:17:58,776 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:17:58,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:17:58,776 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:17:58,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:17:58,777 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-28 17:17:58,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:17:58,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589762477] [2020-10-28 17:17:58,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:17:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:58,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:59,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:17:59,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:17:59,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-28 17:17:59,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:59,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:59,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:17:59,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:17:59,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:17:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:17:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:17:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:59,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:59,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:17:59,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:17:59,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:59,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:17:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:17:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:17:59,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:17:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:59,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:59,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:17:59,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:17:59,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-28 17:17:59,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:59,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:59,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:17:59,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:17:59,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:17:59,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:17:59,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:17:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:59,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:59,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:17:59,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:17:59,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:59,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:17:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:17:59,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:17:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:17:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:59,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:17:59,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:17:59,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:17:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:17:59,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:17:59,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:17:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:17:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:17:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:17:59,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:17:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:17:59,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589762477] [2020-10-28 17:17:59,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:17:59,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:17:59,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148582207] [2020-10-28 17:17:59,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:17:59,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:17:59,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:17:59,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:17:59,352 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 8 states. [2020-10-28 17:17:59,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:17:59,755 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2020-10-28 17:17:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:17:59,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-28 17:17:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:17:59,758 INFO L225 Difference]: With dead ends: 54 [2020-10-28 17:17:59,758 INFO L226 Difference]: Without dead ends: 49 [2020-10-28 17:17:59,759 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 [2020-10-28 17:17:59,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-28 17:17:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-28 17:17:59,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 17:17:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2020-10-28 17:17:59,771 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 29 [2020-10-28 17:17:59,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:17:59,772 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2020-10-28 17:17:59,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:17:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2020-10-28 17:17:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 17:17:59,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:17:59,774 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] [2020-10-28 17:17:59,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:17:59,774 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:17:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:17:59,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-28 17:17:59,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:17:59,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837032335] [2020-10-28 17:17:59,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:17:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:17:59,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:17:59,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:00,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:18:00,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:18:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-28 17:18:00,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:00,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:18:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:18:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 17:18:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:18:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:00,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:00,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:18:00,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:18:00,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:00,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:18:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:18:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:00,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:18:00,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:18:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 17:18:00,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:00,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:18:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:18:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:18:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:00,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:00,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:00,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:00,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:00,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:00,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:00,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:00,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:00,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-28 17:18:00,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:18:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:00,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:00,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:00,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:00,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:00,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:18:00,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:00,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:18:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:18:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:18:00,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837032335] [2020-10-28 17:18:00,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:18:00,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:18:00,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812043405] [2020-10-28 17:18:00,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:18:00,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:18:00,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:18:00,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:18:00,641 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand 8 states. [2020-10-28 17:18:01,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:18:01,180 INFO L93 Difference]: Finished difference Result 65 states and 94 transitions. [2020-10-28 17:18:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:18:01,181 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-28 17:18:01,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:18:01,184 INFO L225 Difference]: With dead ends: 65 [2020-10-28 17:18:01,185 INFO L226 Difference]: Without dead ends: 60 [2020-10-28 17:18:01,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:18:01,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-28 17:18:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-28 17:18:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-28 17:18:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-10-28 17:18:01,211 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 30 [2020-10-28 17:18:01,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:18:01,212 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-10-28 17:18:01,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:18:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-10-28 17:18:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 17:18:01,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:18:01,219 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] [2020-10-28 17:18:01,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:18:01,219 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:18:01,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:18:01,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-28 17:18:01,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:18:01,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763440808] [2020-10-28 17:18:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:18:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:01,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:01,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:01,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:01,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:01,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:03,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:03,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:03,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:03,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:06,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-28 17:18:06,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:18:06,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 17:18:06,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:06,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:18:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:18:06,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:06,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:18:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:06,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:18:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:18:06,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:06,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:18:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:06,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:07,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:08,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:08,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:08,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:08,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:11,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:18:11,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:18:11,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:18:11,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:11,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:18:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 17:18:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:18:11,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:11,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:11,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:18:11,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:18:11,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 17:18:11,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:11,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:18:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:18:11,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:11,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:11,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:11,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:11,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:11,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:18:11,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:11,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:11,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:18:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:11,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:18:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:11,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:11,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:11,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:11,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:11,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:18:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:11,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:18:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:11,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:11,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:18:11,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:18:11,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 17:18:11,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:11,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:11,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:11,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:11,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:18:11,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:11,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:11,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:11,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:11,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:11,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:11,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:11,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:11,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:11,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:11,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:11,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:18:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:18:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:11,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:11,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:11,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:11,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:11,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:11,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 17:18:11,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763440808] [2020-10-28 17:18:11,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:18:11,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:18:11,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953035613] [2020-10-28 17:18:11,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:18:11,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:18:11,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:18:11,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:18:11,562 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 10 states. [2020-10-28 17:18:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:18:12,191 INFO L93 Difference]: Finished difference Result 81 states and 136 transitions. [2020-10-28 17:18:12,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:18:12,192 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-28 17:18:12,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:18:12,197 INFO L225 Difference]: With dead ends: 81 [2020-10-28 17:18:12,197 INFO L226 Difference]: Without dead ends: 76 [2020-10-28 17:18:12,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:18:12,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-28 17:18:12,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2020-10-28 17:18:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-28 17:18:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 111 transitions. [2020-10-28 17:18:12,218 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 111 transitions. Word has length 54 [2020-10-28 17:18:12,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:18:12,219 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 111 transitions. [2020-10-28 17:18:12,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:18:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2020-10-28 17:18:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 17:18:12,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:18:12,222 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:18:12,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:18:12,223 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:18:12,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:18:12,223 INFO L82 PathProgramCache]: Analyzing trace with hash -367029894, now seen corresponding path program 1 times [2020-10-28 17:18:12,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:18:12,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312449497] [2020-10-28 17:18:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:18:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:12,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:12,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:12,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:12,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:12,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:12,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:14,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:14,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:14,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:17,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 17:18:17,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:18:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:18:17,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:17,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:18:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 17:18:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:17,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:18:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:17,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:17,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:18:17,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:17,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:17,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:17,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:17,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:18:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:17,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:18,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:18,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:22,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:18:22,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:18:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:18:22,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:22,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:18:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 17:18:22,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:18:22,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:22,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:22,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:18:22,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:18:22,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 17:18:22,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:22,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:18:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:18:22,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:22,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:22,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:22,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:22,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:22,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:22,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:18:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:22,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:22,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:22,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:22,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:18:22,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:22,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:18:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:22,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:22,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:18:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:22,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:22,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:18:22,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:18:22,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:18:22,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:22,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:18:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:22,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:22,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:22,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:22,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:22,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:22,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:22,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:22,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:18:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:22,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:22,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:22,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:22,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:22,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:22,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 17:18:22,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312449497] [2020-10-28 17:18:22,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:18:22,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:18:22,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082129623] [2020-10-28 17:18:22,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:18:22,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:18:22,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:18:22,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:18:22,551 INFO L87 Difference]: Start difference. First operand 70 states and 111 transitions. Second operand 10 states. [2020-10-28 17:18:23,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:18:23,183 INFO L93 Difference]: Finished difference Result 92 states and 164 transitions. [2020-10-28 17:18:23,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:18:23,185 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-10-28 17:18:23,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:18:23,188 INFO L225 Difference]: With dead ends: 92 [2020-10-28 17:18:23,188 INFO L226 Difference]: Without dead ends: 87 [2020-10-28 17:18:23,189 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 [2020-10-28 17:18:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-28 17:18:23,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 70. [2020-10-28 17:18:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-28 17:18:23,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 111 transitions. [2020-10-28 17:18:23,212 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 111 transitions. Word has length 55 [2020-10-28 17:18:23,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:18:23,212 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 111 transitions. [2020-10-28 17:18:23,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:18:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2020-10-28 17:18:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 17:18:23,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:18:23,216 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] [2020-10-28 17:18:23,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:18:23,216 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:18:23,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:18:23,217 INFO L82 PathProgramCache]: Analyzing trace with hash 200692867, now seen corresponding path program 2 times [2020-10-28 17:18:23,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:18:23,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631205275] [2020-10-28 17:18:23,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:18:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:23,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:24,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:25,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:25,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:28,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:18:28,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:18:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:18:28,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:28,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:18:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 17:18:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:28,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:18:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:28,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:18:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:28,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:29,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:29,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:29,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:30,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:33,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:18:33,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:18:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:18:33,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:33,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:18:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 17:18:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:33,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:33,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:33,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:18:33,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:18:33,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 17:18:33,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:33,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:18:33,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:33,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:33,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:33,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:33,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:33,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:18:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:33,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:33,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:33,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:33,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:33,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:33,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:33,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:33,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:33,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:18:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:33,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:33,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:18:33,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:18:33,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 17:18:33,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:33,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:18:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:18:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:33,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:33,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:33,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:33,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:33,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:18:33,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:33,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:18:33,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:33,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:18:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:33,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:33,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:33,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:33,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:18:33,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:33,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:18:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:33,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 17:18:33,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631205275] [2020-10-28 17:18:33,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:18:33,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:18:33,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680414765] [2020-10-28 17:18:33,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:18:33,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:18:33,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:18:33,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:18:33,578 INFO L87 Difference]: Start difference. First operand 70 states and 111 transitions. Second operand 10 states. [2020-10-28 17:18:34,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:18:34,278 INFO L93 Difference]: Finished difference Result 150 states and 275 transitions. [2020-10-28 17:18:34,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:18:34,279 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-28 17:18:34,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:18:34,281 INFO L225 Difference]: With dead ends: 150 [2020-10-28 17:18:34,281 INFO L226 Difference]: Without dead ends: 87 [2020-10-28 17:18:34,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:18:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-28 17:18:34,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 65. [2020-10-28 17:18:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-28 17:18:34,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-10-28 17:18:34,312 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 56 [2020-10-28 17:18:34,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:18:34,313 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-10-28 17:18:34,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:18:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-10-28 17:18:34,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 17:18:34,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:18:34,316 INFO L422 BasicCegarLoop]: trace histogram [5, 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] [2020-10-28 17:18:34,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:18:34,316 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:18:34,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:18:34,317 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-28 17:18:34,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:18:34,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788898406] [2020-10-28 17:18:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:18:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:34,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:34,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:34,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:34,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:35,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:37,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:39,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:18:39,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:18:39,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:18:39,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:39,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:18:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 17:18:39,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:39,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:18:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:39,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:39,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:18:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:39,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:18:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:39,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:39,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:40,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:40,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:40,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:40,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:40,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:41,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:41,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:44,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:18:44,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:18:44,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:18:44,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:44,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:18:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:18:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:44,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:44,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:18:44,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:18:44,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 17:18:44,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:44,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:18:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:44,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:44,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:44,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:44,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:44,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:44,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:44,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:18:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:44,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:44,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:44,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:44,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:44,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:44,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:44,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:44,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:44,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:44,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:18:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:44,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:18:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:18:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 17:18:44,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:44,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:18:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:18:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:44,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:44,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:44,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:44,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:18:44,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:44,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:18:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:18:44,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:18:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:44,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:44,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:18:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:44,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 17:18:44,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788898406] [2020-10-28 17:18:44,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:18:44,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:18:44,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912177185] [2020-10-28 17:18:44,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:18:44,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:18:44,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:18:44,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:18:44,708 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 10 states. [2020-10-28 17:18:45,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:18:45,295 INFO L93 Difference]: Finished difference Result 156 states and 267 transitions. [2020-10-28 17:18:45,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:18:45,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-28 17:18:45,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:18:45,300 INFO L225 Difference]: With dead ends: 156 [2020-10-28 17:18:45,301 INFO L226 Difference]: Without dead ends: 98 [2020-10-28 17:18:45,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:18:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-28 17:18:45,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 91. [2020-10-28 17:18:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-28 17:18:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 150 transitions. [2020-10-28 17:18:45,331 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 150 transitions. Word has length 58 [2020-10-28 17:18:45,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:18:45,332 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 150 transitions. [2020-10-28 17:18:45,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:18:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2020-10-28 17:18:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 17:18:45,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:18:45,336 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] [2020-10-28 17:18:45,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:18:45,336 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:18:45,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:18:45,337 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-28 17:18:45,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:18:45,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713407224] [2020-10-28 17:18:45,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:18:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:45,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:45,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:46,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:18:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:50,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:18:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:50,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:50,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:18:50,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:50,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:50,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:50,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:50,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:50,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:50,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:50,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:18:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:50,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:50,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:51,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:51,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:51,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:52,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:52,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:52,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:18:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:55,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:18:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:18:55,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:55,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:55,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:18:55,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:18:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 17:18:55,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:55,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:18:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:18:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:55,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:55,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:55,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:55,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:55,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:18:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:55,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:55,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:18:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:55,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:55,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:55,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:55,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:18:55,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:55,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:55,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:18:55,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:18:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:18:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:55,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:55,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:55,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:18:55,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:55,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:18:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:18:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:18:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:55,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:18:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:55,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:55,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:56,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:18:56,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:18:56,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-28 17:18:56,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:56,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 17:18:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:56,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:56,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:56,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:18:56,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:18:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:18:56,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:56,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:18:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:56,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:56,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:56,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:56,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:18:56,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:56,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:56,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:56,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:56,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:56,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:56,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:18:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:56,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:18:56,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:56,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:18:56,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:56,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:56,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:18:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:56,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:18:56,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:18:56,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:18:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:18:56,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:18:56,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:18:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:18:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:18:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:18:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:18:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 26 proven. 43 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-28 17:18:56,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713407224] [2020-10-28 17:18:56,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:18:56,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:18:56,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390332238] [2020-10-28 17:18:56,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:18:56,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:18:56,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:18:56,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:18:56,101 INFO L87 Difference]: Start difference. First operand 91 states and 150 transitions. Second operand 11 states. [2020-10-28 17:18:56,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:18:56,793 INFO L93 Difference]: Finished difference Result 181 states and 348 transitions. [2020-10-28 17:18:56,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:18:56,794 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-28 17:18:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:18:56,797 INFO L225 Difference]: With dead ends: 181 [2020-10-28 17:18:56,797 INFO L226 Difference]: Without dead ends: 97 [2020-10-28 17:18:56,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:18:56,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-28 17:18:56,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 89. [2020-10-28 17:18:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-28 17:18:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 150 transitions. [2020-10-28 17:18:56,818 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 150 transitions. Word has length 82 [2020-10-28 17:18:56,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:18:56,818 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 150 transitions. [2020-10-28 17:18:56,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:18:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 150 transitions. [2020-10-28 17:18:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 17:18:56,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:18:56,821 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:18:56,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:18:56,822 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:18:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:18:56,822 INFO L82 PathProgramCache]: Analyzing trace with hash 445692906, now seen corresponding path program 1 times [2020-10-28 17:18:56,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:18:56,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194819537] [2020-10-28 17:18:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:18:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:18:56,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:56,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:18:57,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:00,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:01,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:01,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 17:19:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:01,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:19:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:01,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:01,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:01,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:19:01,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:01,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:01,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:01,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:19:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:01,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:01,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:01,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:01,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:01,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:02,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:03,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:06,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:19:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:06,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:06,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:06,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:06,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:06,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:06,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:19:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:06,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:06,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:06,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:06,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:06,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:06,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:06,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:06,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:06,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:06,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:19:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:06,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:06,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:06,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:06,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:06,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:19:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:06,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:06,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:06,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:06,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:06,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:06,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:06,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:06,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:06,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:06,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:19:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:06,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:07,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:07,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:07,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:07,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:07,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:08,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:08,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:08,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:08,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:08,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:09,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:09,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:09,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:10,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:10,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:10,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:10,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:11,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:11,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:11,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:19:11,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:19:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:19:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:11,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:11,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:11,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:11,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:12,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:19:12,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:19:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 17:19:12,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:12,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:19:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:19:12,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:12,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:12,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:12,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:12,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:12,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:19:12,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:12,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:19:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:19:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:12,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:19:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:12,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:12,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:12,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:19:12,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:12,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:19:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:19:12,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:12,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:19:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:12,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:12,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:13,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:13,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:17,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:19:17,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:19:17,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:19:17,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:17,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:17,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:19:17,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:19:17,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 17:19:17,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:19:17,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:17,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:17,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:19:17,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:17,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 17:19:17,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:17,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:17,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:19:17,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:17,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:19:17,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:17,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:17,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:17,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:17,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:17,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:17,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:19:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:19:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:17,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:19:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:17,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:17,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:17,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:17,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:17,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:19:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:19:17,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:17,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:19:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:17,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:17,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:19:17,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:19:17,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:17,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:17,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:19:17,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:17,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:19:17,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:17,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:17,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:17,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:17,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:17,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:17,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:17,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:19:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:17,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:17,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:17,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:17,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:17,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:17,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:17,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 121 proven. 50 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-10-28 17:19:17,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194819537] [2020-10-28 17:19:17,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:19:17,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 17:19:17,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123365831] [2020-10-28 17:19:17,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:19:17,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:19:17,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:19:17,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:19:17,398 INFO L87 Difference]: Start difference. First operand 89 states and 150 transitions. Second operand 14 states. [2020-10-28 17:19:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:19:18,288 INFO L93 Difference]: Finished difference Result 190 states and 382 transitions. [2020-10-28 17:19:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:19:18,289 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 122 [2020-10-28 17:19:18,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:19:18,293 INFO L225 Difference]: With dead ends: 190 [2020-10-28 17:19:18,293 INFO L226 Difference]: Without dead ends: 108 [2020-10-28 17:19:18,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2020-10-28 17:19:18,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-28 17:19:18,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 98. [2020-10-28 17:19:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-28 17:19:18,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 173 transitions. [2020-10-28 17:19:18,320 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 173 transitions. Word has length 122 [2020-10-28 17:19:18,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:19:18,321 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 173 transitions. [2020-10-28 17:19:18,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:19:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2020-10-28 17:19:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:19:18,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:19:18,323 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] [2020-10-28 17:19:18,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:19:18,323 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:19:18,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:19:18,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-28 17:19:18,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:19:18,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160955156] [2020-10-28 17:19:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:19:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:18,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:18,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:19,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:19,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:20,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:23,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:19:23,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:19:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:19:23,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:23,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:19:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:19:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:19:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:23,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:19:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:23,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:23,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:19:23,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:23,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:19:23,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:23,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:23,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:23,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:23,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:23,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:23,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:19:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:23,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:23,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:25,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:26,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:19:28,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:19:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:19:28,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:19:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:19:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 17:19:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:19:28,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:19:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-28 17:19:28,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:19:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:19:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:19:28,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:28,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 17:19:28,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:19:28,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:19:28,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:19:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:19:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:19:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:28,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:19:28,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:19:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:19:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:19:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:28,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:28,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:19:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:19:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:19:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:19:28,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:19:28,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:19:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:19:28,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:28,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:28,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:28,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:28,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:19:28,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:19:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:28,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:19:28,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:19:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:28,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:28,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:28,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:28,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:28,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:28,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:28,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 58 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-28 17:19:28,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160955156] [2020-10-28 17:19:28,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:19:28,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:19:28,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117051312] [2020-10-28 17:19:28,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:19:28,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:19:28,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:19:28,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:19:28,984 INFO L87 Difference]: Start difference. First operand 98 states and 173 transitions. Second operand 10 states. [2020-10-28 17:19:29,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:19:29,700 INFO L93 Difference]: Finished difference Result 143 states and 297 transitions. [2020-10-28 17:19:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:19:29,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-10-28 17:19:29,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:19:29,706 INFO L225 Difference]: With dead ends: 143 [2020-10-28 17:19:29,706 INFO L226 Difference]: Without dead ends: 138 [2020-10-28 17:19:29,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:19:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-28 17:19:29,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 127. [2020-10-28 17:19:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-28 17:19:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 263 transitions. [2020-10-28 17:19:29,753 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 263 transitions. Word has length 84 [2020-10-28 17:19:29,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:19:29,756 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 263 transitions. [2020-10-28 17:19:29,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:19:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 263 transitions. [2020-10-28 17:19:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 17:19:29,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:19:29,762 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:19:29,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 17:19:29,762 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:19:29,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:19:29,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1257579901, now seen corresponding path program 2 times [2020-10-28 17:19:29,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:19:29,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180786608] [2020-10-28 17:19:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:19:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:29,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:29,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:29,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:29,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:29,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:30,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:30,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:30,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:30,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:30,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:30,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:19:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-28 17:19:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:19:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:34,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:34,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:19:34,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:34,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:34,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:34,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:34,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:34,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:19:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:34,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:34,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:35,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 17:19:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:39,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:39,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:39,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:40,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:41,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1461 [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 17:19:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:41,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:41,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:41,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:19:41,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:19:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-28 17:19:41,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:41,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:19:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:19:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:41,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:41,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:19:41,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:19:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:41,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:19:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:19:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:41,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:41,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:41,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:41,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:19:41,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:41,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:41,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:19:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:41,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:41,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:41,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:19:41,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:41,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:41,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:19:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:41,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:41,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:41,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:19:41,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:41,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:19:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:19:41,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:41,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:19:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:41,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:19:41,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:41,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:19:41,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:41,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:19:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:19:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:19:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:19:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:41,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:41,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:42,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:42,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:44,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:19:44,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:19:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2977 [2020-10-28 17:19:44,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:44,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:44,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 17:19:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:44,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:44,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:44,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:44,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:19:44,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:19:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:44,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:44,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:44,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:44,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:19:44,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:44,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:44,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:19:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:44,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:44,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:44,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:44,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:19:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:44,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:44,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:19:44,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:19:44,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:19:44,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:44,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:44,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:44,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:44,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:44,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:44,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:19:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:44,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:44,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:44,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:19:44,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:19:44,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:44,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:44,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 47 proven. 61 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2020-10-28 17:19:44,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180786608] [2020-10-28 17:19:44,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:19:44,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:19:44,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700989856] [2020-10-28 17:19:44,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:19:44,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:19:44,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:19:44,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:19:44,977 INFO L87 Difference]: Start difference. First operand 127 states and 263 transitions. Second operand 11 states. [2020-10-28 17:19:45,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:19:45,777 INFO L93 Difference]: Finished difference Result 293 states and 725 transitions. [2020-10-28 17:19:45,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:19:45,777 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-10-28 17:19:45,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:19:45,781 INFO L225 Difference]: With dead ends: 293 [2020-10-28 17:19:45,782 INFO L226 Difference]: Without dead ends: 143 [2020-10-28 17:19:45,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-10-28 17:19:45,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-28 17:19:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140. [2020-10-28 17:19:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-28 17:19:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 281 transitions. [2020-10-28 17:19:45,810 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 281 transitions. Word has length 108 [2020-10-28 17:19:45,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:19:45,810 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 281 transitions. [2020-10-28 17:19:45,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:19:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 281 transitions. [2020-10-28 17:19:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-28 17:19:45,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:19:45,814 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:19:45,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 17:19:45,814 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:19:45,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:19:45,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1851099802, now seen corresponding path program 3 times [2020-10-28 17:19:45,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:19:45,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936216322] [2020-10-28 17:19:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:19:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:45,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:45,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:45,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:45,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:45,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:46,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:46,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:46,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:50,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:50,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 17:19:50,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:19:50,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:19:50,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:50,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:19:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 17:19:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 17:19:50,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:50,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:19:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:50,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:50,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:50,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:19:50,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:19:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:19:50,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:50,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:19:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:19:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:19:50,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:50,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:19:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:50,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:50,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:50,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:50,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:50,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:50,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:51,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:51,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:51,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:51,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:55,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-28 17:19:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 17:19:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:19:55,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:19:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:19:55,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:55,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:55,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:55,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:57,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:57,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:57,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:57,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:57,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:19:58,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:20:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:00,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:00,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:00,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:00,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:01,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-28 17:20:01,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:20:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:20:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:01,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 17:20:01,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:01,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:01,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:01,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:01,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:01,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:01,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:01,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:01,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:01,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:01,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:01,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:20:01,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:20:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:20:01,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:01,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-28 17:20:01,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 17:20:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:01,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:01,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:01,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:01,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:01,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:01,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:01,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:01,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:01,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:01,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:02,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:20:02,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:02,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:02,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:20:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:02,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:02,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 17:20:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:20:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:02,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:02,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:02,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:02,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:02,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:02,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 50 proven. 112 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-10-28 17:20:02,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936216322] [2020-10-28 17:20:02,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:02,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:20:02,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666816235] [2020-10-28 17:20:02,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:20:02,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:02,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:20:02,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:20:02,065 INFO L87 Difference]: Start difference. First operand 140 states and 281 transitions. Second operand 10 states. [2020-10-28 17:20:02,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:02,809 INFO L93 Difference]: Finished difference Result 286 states and 680 transitions. [2020-10-28 17:20:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:20:02,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-10-28 17:20:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:02,814 INFO L225 Difference]: With dead ends: 286 [2020-10-28 17:20:02,814 INFO L226 Difference]: Without dead ends: 156 [2020-10-28 17:20:02,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:20:02,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-28 17:20:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 145. [2020-10-28 17:20:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-28 17:20:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 297 transitions. [2020-10-28 17:20:02,844 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 297 transitions. Word has length 137 [2020-10-28 17:20:02,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:02,845 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 297 transitions. [2020-10-28 17:20:02,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:20:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 297 transitions. [2020-10-28 17:20:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 17:20:02,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:02,850 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:02,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 17:20:02,850 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:02,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:02,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1901213856, now seen corresponding path program 4 times [2020-10-28 17:20:02,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:02,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268762242] [2020-10-28 17:20:02,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:04,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:04,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:07,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-28 17:20:07,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:20:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:20:07,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:07,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 17:20:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:20:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:07,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:07,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:07,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:07,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:08,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:20:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:12,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:12,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:13,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:17,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:17,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 17:20:17,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 17:20:17,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:20:17,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:17,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 17:20:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:20:17,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:17,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:17,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:17,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:17,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:17,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:17,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:17,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:17,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:17,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:17,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:18,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:18,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:18,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:18,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:18,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:18,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:18,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:18,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:18,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:18,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:18,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:18,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:18,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:18,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:18,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:18,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:18,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:18,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:18,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:18,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:18,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:18,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:18,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:18,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:18,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:18,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:18,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:18,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:20:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:19,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:20:19,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:20:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1969 [2020-10-28 17:20:19,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:19,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:20:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:20:19,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:20,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 582 [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:20,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:20:20,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:20,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:20,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:20,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 17:20:20,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:20,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:20,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:20,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:20,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:20,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:20,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:20,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:20,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:20,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:20,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:20,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:20,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:20,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:20,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:20,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:20,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:20:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:20,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:20,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:20,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:20,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:20,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:20,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:20,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:20,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 17:20:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:20,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:21,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:21,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:21,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:21,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:21,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:23,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:23,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:25,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:20:25,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:20:25,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:20:25,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:25,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-28 17:20:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:25,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:25,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:25,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:25,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:25,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:25,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:25,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:25,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:25,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:25,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:26,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:26,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:26,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:26,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:26,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:26,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:26,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:26,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:26,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:26,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:26,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:26,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:26,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:26,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:26,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:26,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:26,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:26,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:26,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:26,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:26,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:26,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:26,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:26,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:26,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:26,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:26,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 114 proven. 110 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2020-10-28 17:20:26,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268762242] [2020-10-28 17:20:26,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:26,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:20:26,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296064672] [2020-10-28 17:20:26,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:20:26,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:26,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:20:26,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:20:26,151 INFO L87 Difference]: Start difference. First operand 145 states and 297 transitions. Second operand 12 states. [2020-10-28 17:20:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:26,874 INFO L93 Difference]: Finished difference Result 272 states and 644 transitions. [2020-10-28 17:20:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:20:26,874 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-10-28 17:20:26,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:26,877 INFO L225 Difference]: With dead ends: 272 [2020-10-28 17:20:26,878 INFO L226 Difference]: Without dead ends: 138 [2020-10-28 17:20:26,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:20:26,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-28 17:20:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-10-28 17:20:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-28 17:20:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 263 transitions. [2020-10-28 17:20:26,904 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 263 transitions. Word has length 161 [2020-10-28 17:20:26,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:26,905 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 263 transitions. [2020-10-28 17:20:26,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:20:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 263 transitions. [2020-10-28 17:20:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 17:20:26,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:26,909 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:26,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 17:20:26,909 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:26,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:26,910 INFO L82 PathProgramCache]: Analyzing trace with hash 38060842, now seen corresponding path program 5 times [2020-10-28 17:20:26,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:26,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20393877] [2020-10-28 17:20:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:26,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:26,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:28,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:28,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 17:20:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:20:31,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:31,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:31,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:31,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:31,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:31,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:31,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:31,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:32,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:37,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-28 17:20:37,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:20:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:20:37,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:37,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 17:20:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:20:37,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:37,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 17:20:42,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:20:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:20:42,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 17:20:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:20:42,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:42,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:42,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:42,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:42,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:42,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:42,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:42,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:42,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:42,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:20:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:20:42,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:20:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-28 17:20:42,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:20:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:20:42,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:42,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:20:42,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-28 17:20:42,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:42,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:20:42,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:42,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:42,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:20:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:20:42,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:42,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:42,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:20:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:42,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:42,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 17:20:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:42,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:42,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:42,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:42,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:42,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:42,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 126 proven. 73 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-10-28 17:20:42,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20393877] [2020-10-28 17:20:42,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:42,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:20:42,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109589685] [2020-10-28 17:20:42,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:20:42,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:42,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:20:42,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:20:42,696 INFO L87 Difference]: Start difference. First operand 138 states and 263 transitions. Second operand 11 states. [2020-10-28 17:20:43,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:43,370 INFO L93 Difference]: Finished difference Result 275 states and 596 transitions. [2020-10-28 17:20:43,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:20:43,371 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-28 17:20:43,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:43,374 INFO L225 Difference]: With dead ends: 275 [2020-10-28 17:20:43,374 INFO L226 Difference]: Without dead ends: 148 [2020-10-28 17:20:43,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:20:43,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-28 17:20:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 140. [2020-10-28 17:20:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-28 17:20:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 262 transitions. [2020-10-28 17:20:43,398 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 262 transitions. Word has length 139 [2020-10-28 17:20:43,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:43,398 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 262 transitions. [2020-10-28 17:20:43,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:20:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 262 transitions. [2020-10-28 17:20:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-28 17:20:43,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:43,402 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:43,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 17:20:43,403 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:43,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:43,403 INFO L82 PathProgramCache]: Analyzing trace with hash -968197473, now seen corresponding path program 6 times [2020-10-28 17:20:43,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:43,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567248759] [2020-10-28 17:20:43,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:43,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:48,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 17:20:48,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 17:20:48,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-28 17:20:48,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:48,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 17:20:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:20:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:48,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:48,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:48,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:48,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:48,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:48,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:48,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:48,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:48,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:48,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:48,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:52,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:53,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 17:20:53,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:20:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:20:53,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:53,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 17:20:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:20:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:53,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:53,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:54,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:54,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:58,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:58,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:58,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:58,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:20:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:58,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:58,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:58,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:58,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:58,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:58,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:58,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:58,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:58,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:58,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:58,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:58,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:20:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:21:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:21:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:03,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:03,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:21:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:21:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:08,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:08,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:21:08,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:09,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:21:09,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:09,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:09,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:09,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:21:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:09,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:09,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:21:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:09,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:09,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:09,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:09,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:09,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:21:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:09,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:09,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:21:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:09,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:09,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:09,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:09,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:09,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:09,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:09,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:09,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:09,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:09,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 246 proven. 92 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2020-10-28 17:21:09,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567248759] [2020-10-28 17:21:09,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:09,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:21:09,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904890491] [2020-10-28 17:21:09,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:21:09,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:09,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:21:09,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:21:09,528 INFO L87 Difference]: Start difference. First operand 140 states and 262 transitions. Second operand 10 states. [2020-10-28 17:21:10,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:10,144 INFO L93 Difference]: Finished difference Result 299 states and 670 transitions. [2020-10-28 17:21:10,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:21:10,145 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-10-28 17:21:10,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:10,151 INFO L225 Difference]: With dead ends: 299 [2020-10-28 17:21:10,151 INFO L226 Difference]: Without dead ends: 170 [2020-10-28 17:21:10,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:21:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-28 17:21:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 160. [2020-10-28 17:21:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-28 17:21:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 308 transitions. [2020-10-28 17:21:10,181 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 308 transitions. Word has length 207 [2020-10-28 17:21:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:10,182 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 308 transitions. [2020-10-28 17:21:10,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:21:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2020-10-28 17:21:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 17:21:10,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:10,186 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 11, 11, 10, 10, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:10,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 17:21:10,187 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:10,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:10,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1106936009, now seen corresponding path program 7 times [2020-10-28 17:21:10,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:10,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445732148] [2020-10-28 17:21:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:10,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:21:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:15,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:17,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:18,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-28 17:21:20,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:21:20,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:21:20,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:21:20,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:20,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:20,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:20,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:20,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:20,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:20,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:21:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:20,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:20,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:20,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:20,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:21:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:21:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:25,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:25,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:21:30,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:21:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:21:30,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 17:21:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:21:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:30,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:30,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:30,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:30,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:30,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:30,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:21:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:30,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 17:21:30,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:21:30,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:30,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:30,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:30,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:21:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:30,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:30,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:30,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:30,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 215 proven. 31 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-28 17:21:30,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445732148] [2020-10-28 17:21:30,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:30,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:21:30,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724408309] [2020-10-28 17:21:30,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:21:30,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:30,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:21:30,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:21:30,633 INFO L87 Difference]: Start difference. First operand 160 states and 308 transitions. Second operand 10 states. [2020-10-28 17:21:31,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:31,292 INFO L93 Difference]: Finished difference Result 330 states and 716 transitions. [2020-10-28 17:21:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:21:31,292 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-10-28 17:21:31,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:31,298 INFO L225 Difference]: With dead ends: 330 [2020-10-28 17:21:31,298 INFO L226 Difference]: Without dead ends: 181 [2020-10-28 17:21:31,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:21:31,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-28 17:21:31,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 159. [2020-10-28 17:21:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-28 17:21:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 294 transitions. [2020-10-28 17:21:31,326 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 294 transitions. Word has length 179 [2020-10-28 17:21:31,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:31,326 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 294 transitions. [2020-10-28 17:21:31,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:21:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 294 transitions. [2020-10-28 17:21:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 17:21:31,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:31,330 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:31,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 17:21:31,331 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:31,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:31,331 INFO L82 PathProgramCache]: Analyzing trace with hash 182861805, now seen corresponding path program 1 times [2020-10-28 17:21:31,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:31,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138936256] [2020-10-28 17:21:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:36,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 17:21:36,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 17:21:36,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:21:36,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:36,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:21:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:21:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 17:21:36,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:36,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:36,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:36,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:36,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:36,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:36,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-28 17:21:41,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:41,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 17:21:46,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:46,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:46,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:46,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-28 17:21:46,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:46,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:21:46,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:46,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:46,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 17:21:46,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:46,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:46,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:46,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:46,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:46,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:46,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:46,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:46,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:46,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:46,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:46,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:46,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:46,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:46,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:21:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:46,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 678 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:21:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:47,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:21:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:47,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:47,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:47,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:47,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:47,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:47,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:21:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking...