/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:04:10,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:04:10,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:04:10,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:04:10,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:04:10,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:04:10,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:04:10,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:04:10,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:04:10,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:04:10,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:04:10,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:04:10,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:04:10,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:04:10,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:04:10,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:04:10,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:04:10,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:04:10,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:04:10,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:04:10,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:04:10,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:04:10,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:04:10,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:04:10,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:04:10,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:04:10,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:04:10,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:04:10,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:04:10,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:04:10,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:04:10,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:04:10,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:04:10,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:04:10,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:04:10,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:04:10,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:04:10,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:04:10,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:04:10,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:04:10,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:04:10,947 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 [2020-10-15 02:04:10,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:04:10,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:04:11,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:04:11,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:04:11,004 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:04:11,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:04:11,005 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:04:11,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:04:11,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:04:11,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:04:11,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:04:11,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:04:11,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:04:11,006 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:04:11,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:04:11,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:04:11,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:04:11,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:04:11,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:04:11,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:04:11,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:04:11,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:04:11,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:04:11,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:04:11,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:04:11,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:04:11,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:04:11,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:04:11,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:04:11,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:04:11,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:04:11,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:04:11,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:04:11,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:04:11,362 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:04:11,362 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-10-15 02:04:11,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f24483cc/1a03378467f44cf4b6926076e95e0979/FLAGff60dd886 [2020-10-15 02:04:11,975 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:04:11,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-10-15 02:04:11,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f24483cc/1a03378467f44cf4b6926076e95e0979/FLAGff60dd886 [2020-10-15 02:04:12,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f24483cc/1a03378467f44cf4b6926076e95e0979 [2020-10-15 02:04:12,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:04:12,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:04:12,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:04:12,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:04:12,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:04:12,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542414b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12, skipping insertion in model container [2020-10-15 02:04:12,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:04:12,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:04:12,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:04:12,631 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:04:12,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:04:12,668 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:04:12,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12 WrapperNode [2020-10-15 02:04:12,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:04:12,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:04:12,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:04:12,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:04:12,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (1/1) ... [2020-10-15 02:04:12,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:04:12,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:04:12,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:04:12,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:04:12,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (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 [2020-10-15 02:04:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:04:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:04:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-15 02:04:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-15 02:04:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:04:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 02:04:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:04:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-15 02:04:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-15 02:04:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:04:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:04:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:04:13,077 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:04:13,078 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 02:04:13,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:04:13 BoogieIcfgContainer [2020-10-15 02:04:13,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:04:13,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:04:13,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:04:13,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:04:13,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:04:12" (1/3) ... [2020-10-15 02:04:13,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8bc08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:04:13, skipping insertion in model container [2020-10-15 02:04:13,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:04:12" (2/3) ... [2020-10-15 02:04:13,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8bc08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:04:13, skipping insertion in model container [2020-10-15 02:04:13,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:04:13" (3/3) ... [2020-10-15 02:04:13,093 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-10-15 02:04:13,114 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:04:13,122 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:04:13,144 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:04:13,180 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:04:13,181 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:04:13,181 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:04:13,181 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:04:13,182 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:04:13,182 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:04:13,183 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:04:13,183 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:04:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-15 02:04:13,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 02:04:13,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:13,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:04:13,221 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:13,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:13,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-15 02:04:13,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:13,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126198986] [2020-10-15 02:04:13,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:13,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:13,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:13,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:13,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:04:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:04:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-15 02:04:13,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:13,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:04:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:04:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:04:13,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 02:04:13,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:13,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:13,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:04:13,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:13,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:13,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:13,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:13,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:13,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:04:13,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:13,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:04:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:04:13,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:04:13,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126198986] [2020-10-15 02:04:13,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:04:13,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:04:13,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612418035] [2020-10-15 02:04:13,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:04:13,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:13,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:04:13,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:04:13,704 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-15 02:04:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:13,771 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2020-10-15 02:04:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:04:13,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-15 02:04:13,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:13,787 INFO L225 Difference]: With dead ends: 47 [2020-10-15 02:04:13,787 INFO L226 Difference]: Without dead ends: 30 [2020-10-15 02:04:13,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:04:13,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-15 02:04:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-15 02:04:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 02:04:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-15 02:04:13,850 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-15 02:04:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:13,851 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-15 02:04:13,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:04:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-15 02:04:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 02:04:13,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:13,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:04:13,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:04:13,855 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:13,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:13,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-15 02:04:13,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:13,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992685310] [2020-10-15 02:04:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:13,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:13,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:13,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:04:13,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:04:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-15 02:04:13,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:14,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:04:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:04:14,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:14,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:14,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:14,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:14,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:04:14,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:14,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:14,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:14,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:14,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:14,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:14,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:14,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:14,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:14,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:14,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:14,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:04:14,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:14,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:04:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:14,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:04:14,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992685310] [2020-10-15 02:04:14,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:04:14,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:04:14,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653184996] [2020-10-15 02:04:14,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:04:14,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:14,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:04:14,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:04:14,087 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-15 02:04:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:14,156 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-15 02:04:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:04:14,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 02:04:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:14,158 INFO L225 Difference]: With dead ends: 36 [2020-10-15 02:04:14,158 INFO L226 Difference]: Without dead ends: 32 [2020-10-15 02:04:14,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 02:04:14,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-15 02:04:14,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-15 02:04:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 02:04:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-15 02:04:14,169 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-15 02:04:14,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:14,170 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-15 02:04:14,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:04:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-15 02:04:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 02:04:14,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:14,172 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] [2020-10-15 02:04:14,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:04:14,172 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:14,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:14,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-15 02:04:14,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:14,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800642644] [2020-10-15 02:04:14,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:14,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:14,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:14,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:14,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 02:04:15,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:04:15,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-10-15 02:04:15,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:04:15,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:15,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:15,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:15,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:15,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:04:15,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:04:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-15 02:04:15,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:15,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:15,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:04:15,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:04:15,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:04:15,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:15,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:04:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:15,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:04:15,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:04:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:04:15,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800642644] [2020-10-15 02:04:15,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:04:15,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:04:15,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075296470] [2020-10-15 02:04:15,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:04:15,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:15,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:04:15,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:04:15,252 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-10-15 02:04:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:15,414 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-15 02:04:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:04:15,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 02:04:15,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:15,418 INFO L225 Difference]: With dead ends: 41 [2020-10-15 02:04:15,418 INFO L226 Difference]: Without dead ends: 37 [2020-10-15 02:04:15,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:04:15,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-15 02:04:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-15 02:04:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-15 02:04:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-15 02:04:15,431 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2020-10-15 02:04:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:15,432 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-15 02:04:15,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:04:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-15 02:04:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 02:04:15,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:15,434 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] [2020-10-15 02:04:15,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:04:15,435 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:15,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:15,436 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-10-15 02:04:15,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:15,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912788301] [2020-10-15 02:04:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 02:04:15,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:04:15,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-15 02:04:15,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:15,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:15,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:04:15,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:15,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:15,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:15,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:15,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:15,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:15,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:04:15,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:04:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-15 02:04:15,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:04:15,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:15,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:04:15,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:04:15,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:15,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:04:15,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:15,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:04:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:15,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:15,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:15,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:15,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:15,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:04:15,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:15,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:15,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:15,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:15,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:04:15,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:04:16,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912788301] [2020-10-15 02:04:16,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:04:16,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:04:16,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264456406] [2020-10-15 02:04:16,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:04:16,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:16,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:04:16,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:04:16,005 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-15 02:04:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:16,180 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2020-10-15 02:04:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:04:16,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-15 02:04:16,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:16,182 INFO L225 Difference]: With dead ends: 46 [2020-10-15 02:04:16,183 INFO L226 Difference]: Without dead ends: 42 [2020-10-15 02:04:16,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:04:16,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-15 02:04:16,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2020-10-15 02:04:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-15 02:04:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-15 02:04:16,194 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 27 [2020-10-15 02:04:16,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:16,195 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-15 02:04:16,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:04:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-15 02:04:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-15 02:04:16,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:16,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1] [2020-10-15 02:04:16,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:04:16,198 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:16,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:16,198 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-10-15 02:04:16,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:16,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766937318] [2020-10-15 02:04:16,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:16,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:16,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:16,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:16,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:16,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:18,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:21,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:04:21,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:04:21,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:04:21,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:21,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 02:04:21,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:21,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:21,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:21,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:21,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:21,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:21,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:21,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:21,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:21,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:21,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:21,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:21,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:22,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:04:22,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:04:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1198 [2020-10-15 02:04:22,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:22,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 02:04:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:22,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:22,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:22,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:04:22,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:04:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 02:04:22,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:22,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:22,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:22,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:22,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:04:22,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:22,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:22,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:22,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:22,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:22,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:22,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:22,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:04:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:22,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:22,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:22,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:22,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:22,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:22,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:22,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:22,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:22,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:22,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:04:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:22,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:22,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:22,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:04:22,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:22,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:04:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-15 02:04:22,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766937318] [2020-10-15 02:04:22,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:04:22,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:04:22,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292297546] [2020-10-15 02:04:22,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:04:22,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:22,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:04:22,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:04:22,555 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-15 02:04:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:22,681 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2020-10-15 02:04:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:04:22,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-10-15 02:04:22,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:22,684 INFO L225 Difference]: With dead ends: 49 [2020-10-15 02:04:22,684 INFO L226 Difference]: Without dead ends: 45 [2020-10-15 02:04:22,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:04:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-15 02:04:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2020-10-15 02:04:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-15 02:04:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2020-10-15 02:04:22,695 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 39 [2020-10-15 02:04:22,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:22,696 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2020-10-15 02:04:22,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:04:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2020-10-15 02:04:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-15 02:04:22,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:22,698 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2020-10-15 02:04:22,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:04:22,698 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:22,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1428455685, now seen corresponding path program 1 times [2020-10-15 02:04:22,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:22,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806747123] [2020-10-15 02:04:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:22,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:22,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:27,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:27,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-15 02:04:27,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:04:27,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4939 [2020-10-15 02:04:27,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:27,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:27,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:27,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:27,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:04:27,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:27,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:27,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:27,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:27,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:27,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:27,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:27,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:27,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:27,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:27,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:27,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:27,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:27,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:27,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:27,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:27,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:27,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:28,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:04:28,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:04:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 763 [2020-10-15 02:04:28,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:28,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:04:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:04:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:28,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:28,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:28,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:04:28,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:04:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:04:28,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:28,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:04:28,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:28,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:28,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:28,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:28,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:28,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:28,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:28,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:28,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:04:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:28,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:04:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:28,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:04:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:28,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:28,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:28,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:04:28,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:28,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:04:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:04:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:28,568 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-15 02:04:28,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806747123] [2020-10-15 02:04:28,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:04:28,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:04:28,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293080175] [2020-10-15 02:04:28,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:04:28,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:28,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:04:28,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:04:28,571 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand 7 states. [2020-10-15 02:04:28,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:28,783 INFO L93 Difference]: Finished difference Result 53 states and 73 transitions. [2020-10-15 02:04:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 02:04:28,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-10-15 02:04:28,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:28,785 INFO L225 Difference]: With dead ends: 53 [2020-10-15 02:04:28,786 INFO L226 Difference]: Without dead ends: 49 [2020-10-15 02:04:28,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:04:28,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-15 02:04:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 44. [2020-10-15 02:04:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-15 02:04:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-15 02:04:28,803 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 40 [2020-10-15 02:04:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:28,803 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-15 02:04:28,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:04:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-15 02:04:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-15 02:04:28,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:28,806 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] [2020-10-15 02:04:28,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:04:28,807 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash -910208130, now seen corresponding path program 1 times [2020-10-15 02:04:28,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:28,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552674651] [2020-10-15 02:04:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:28,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:29,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:29,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:29,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:30,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:30,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:30,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:30,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:33,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:33,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:04:33,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:04:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:04:33,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:33,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:04:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:04:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 02:04:33,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:33,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:33,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:33,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:33,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:33,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:33,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:33,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:33,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:33,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:33,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:33,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:34,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:34,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:34,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:34,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:34,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:35,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:36,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:36,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:38,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:38,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-15 02:04:38,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:04:38,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:04:38,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:38,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:04:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 02:04:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:38,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:38,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:38,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:38,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:38,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:38,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:04:38,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:04:38,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 02:04:38,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:38,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:04:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:04:38,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:38,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:38,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:38,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:38,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:04:38,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:38,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:04:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:39,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:04:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:39,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:39,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:39,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:04:39,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:39,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:04:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:39,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:04:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:39,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:04:39,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:04:39,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 02:04:39,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:39,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:39,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:04:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:39,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:39,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:39,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:39,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:39,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:04:39,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:39,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:39,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:04:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:39,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:39,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:39,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:39,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:39,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 02:04:39,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552674651] [2020-10-15 02:04:39,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:04:39,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 02:04:39,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881578483] [2020-10-15 02:04:39,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:04:39,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:39,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:04:39,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:04:39,079 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 9 states. [2020-10-15 02:04:39,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:39,251 INFO L93 Difference]: Finished difference Result 65 states and 98 transitions. [2020-10-15 02:04:39,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 02:04:39,251 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-10-15 02:04:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:39,256 INFO L225 Difference]: With dead ends: 65 [2020-10-15 02:04:39,256 INFO L226 Difference]: Without dead ends: 61 [2020-10-15 02:04:39,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:04:39,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-15 02:04:39,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-10-15 02:04:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-15 02:04:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2020-10-15 02:04:39,276 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 52 [2020-10-15 02:04:39,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:39,276 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2020-10-15 02:04:39,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:04:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2020-10-15 02:04:39,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-15 02:04:39,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:39,279 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] [2020-10-15 02:04:39,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:04:39,279 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:39,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:39,279 INFO L82 PathProgramCache]: Analyzing trace with hash 794281190, now seen corresponding path program 1 times [2020-10-15 02:04:39,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:39,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017462039] [2020-10-15 02:04:39,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:39,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:41,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:41,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:44,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-15 02:04:44,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:04:44,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:04:44,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:44,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:04:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-15 02:04:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:44,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:44,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:44,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:44,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:44,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:44,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:44,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:44,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:44,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:44,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:44,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:44,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:45,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:46,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:46,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:47,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:49,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:04:49,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:04:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:04:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:49,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:04:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:04:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:49,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:49,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:04:49,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:49,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:04:49,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:49,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:04:49,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:49,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:49,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:49,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:49,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:49,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:49,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:49,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:04:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:49,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:49,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:49,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:49,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:49,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:04:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:49,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:49,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:04:49,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:04:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 02:04:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:49,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:04:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:04:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:49,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:49,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:49,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:49,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:04:49,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:49,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:49,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:04:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:49,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:04:49,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:04:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:49,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:04:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-15 02:04:49,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017462039] [2020-10-15 02:04:49,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:04:49,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 02:04:49,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829240763] [2020-10-15 02:04:49,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:04:49,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:04:49,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:04:49,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:04:49,489 INFO L87 Difference]: Start difference. First operand 53 states and 78 transitions. Second operand 9 states. [2020-10-15 02:04:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:04:49,727 INFO L93 Difference]: Finished difference Result 71 states and 114 transitions. [2020-10-15 02:04:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:04:49,728 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-15 02:04:49,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:04:49,731 INFO L225 Difference]: With dead ends: 71 [2020-10-15 02:04:49,731 INFO L226 Difference]: Without dead ends: 67 [2020-10-15 02:04:49,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:04:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-15 02:04:49,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 57. [2020-10-15 02:04:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-15 02:04:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2020-10-15 02:04:49,760 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 54 [2020-10-15 02:04:49,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:04:49,761 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2020-10-15 02:04:49,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:04:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2020-10-15 02:04:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-15 02:04:49,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:04:49,768 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] [2020-10-15 02:04:49,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:04:49,770 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:04:49,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:04:49,770 INFO L82 PathProgramCache]: Analyzing trace with hash 148008126, now seen corresponding path program 1 times [2020-10-15 02:04:49,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:04:49,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142466088] [2020-10-15 02:04:49,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:04:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:49,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:49,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:50,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:50,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:50,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:50,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:50,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:51,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:51,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:51,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:54,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:54,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 02:04:54,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:04:54,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:04:54,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:54,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:04:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:04:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:04:54,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:54,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:04:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:54,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:54,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:54,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:04:54,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:54,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:54,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:54,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:54,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:04:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:54,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:54,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:54,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:54,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:55,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:55,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:55,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:55,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:56,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:57,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:58,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:59,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:04:59,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:04:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:04:59,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:59,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:59,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:04:59,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:04:59,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:04:59,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:59,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:59,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:59,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:04:59,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:04:59,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 02:04:59,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:59,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:59,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:04:59,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:59,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:59,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:59,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:59,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:59,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:59,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:04:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:59,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:59,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:59,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:59,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:04:59,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:59,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:04:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:04:59,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:04:59,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:04:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:59,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:04:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:59,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:04:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:59,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:59,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:59,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:59,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:04:59,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:59,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:04:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:59,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:04:59,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:59,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:04:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:04:59,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:04:59,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:04:59,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:04:59,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:04:59,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:04:59,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:04:59,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:04:59,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:04:59,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:04:59,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:04:59,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:04:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 02:05:00,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142466088] [2020-10-15 02:05:00,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:05:00,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 02:05:00,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758203696] [2020-10-15 02:05:00,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:05:00,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:00,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:05:00,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:05:00,005 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand 9 states. [2020-10-15 02:05:00,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:00,227 INFO L93 Difference]: Finished difference Result 91 states and 171 transitions. [2020-10-15 02:05:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:05:00,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-15 02:05:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:00,231 INFO L225 Difference]: With dead ends: 91 [2020-10-15 02:05:00,231 INFO L226 Difference]: Without dead ends: 87 [2020-10-15 02:05:00,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:05:00,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-15 02:05:00,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 59. [2020-10-15 02:05:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-15 02:05:00,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 93 transitions. [2020-10-15 02:05:00,247 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 93 transitions. Word has length 56 [2020-10-15 02:05:00,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:00,247 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 93 transitions. [2020-10-15 02:05:00,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:05:00,247 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2020-10-15 02:05:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-15 02:05:00,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:00,249 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] [2020-10-15 02:05:00,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:05:00,249 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:00,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:00,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1316787934, now seen corresponding path program 1 times [2020-10-15 02:05:00,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:00,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966748195] [2020-10-15 02:05:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:00,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:00,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:01,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:04,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:05,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:05:05,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-15 02:05:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:05:05,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:05,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:05:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:05:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 02:05:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:05,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:05,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:05,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:05,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:05,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:05,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:05,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:05,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:05,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:05,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:05,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 02:05:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:10,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:10,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:05:10,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:05:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-15 02:05:10,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:10,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:05:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:10,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:10,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:10,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:05:10,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:10,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:05:10,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:10,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:05:10,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:10,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:10,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:10,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:10,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:10,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:10,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:05:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:10,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:10,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:10,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:05:10,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:10,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:10,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:10,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:10,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:10,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:10,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:05:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:10,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:10,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:05:10,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:10,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:05:10,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 02:05:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:10,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:11,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:05:11,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:05:11,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-15 02:05:11,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:11,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:05:11,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:11,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:11,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:11,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:05:11,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:05:11,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:11,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:11,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:05:11,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:11,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:11,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:11,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:11,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:05:11,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:11,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:11,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:05:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:11,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:11,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:11,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:11,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:05:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:11,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:11,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:11,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:05:11,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:11,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:05:11,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 42 proven. 28 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-15 02:05:11,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966748195] [2020-10-15 02:05:11,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:05:11,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:05:11,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155871877] [2020-10-15 02:05:11,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:05:11,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:11,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:05:11,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:05:11,247 INFO L87 Difference]: Start difference. First operand 59 states and 93 transitions. Second operand 12 states. [2020-10-15 02:05:11,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:11,553 INFO L93 Difference]: Finished difference Result 142 states and 273 transitions. [2020-10-15 02:05:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 02:05:11,554 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 80 [2020-10-15 02:05:11,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:11,556 INFO L225 Difference]: With dead ends: 142 [2020-10-15 02:05:11,556 INFO L226 Difference]: Without dead ends: 89 [2020-10-15 02:05:11,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:05:11,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-15 02:05:11,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 83. [2020-10-15 02:05:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-15 02:05:11,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 143 transitions. [2020-10-15 02:05:11,575 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 143 transitions. Word has length 80 [2020-10-15 02:05:11,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:11,576 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 143 transitions. [2020-10-15 02:05:11,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:05:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 143 transitions. [2020-10-15 02:05:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-15 02:05:11,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:11,579 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:05:11,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:05:11,579 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:11,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:11,580 INFO L82 PathProgramCache]: Analyzing trace with hash 259784263, now seen corresponding path program 2 times [2020-10-15 02:05:11,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:11,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706670480] [2020-10-15 02:05:11,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:11,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:12,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:13,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:13,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:13,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:13,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:13,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:16,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 02:05:16,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-15 02:05:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-15 02:05:16,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:16,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:05:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:05:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 02:05:16,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:16,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:16,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:16,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:16,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:16,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:16,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:16,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:16,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:16,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:16,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:16,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:18,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:19,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:19,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:19,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:19,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:19,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:20,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:20,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:20,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:21,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-15 02:05:21,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 42 [2020-10-15 02:05:21,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 02:05:21,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:21,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:05:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:05:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 02:05:21,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:21,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:21,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:22,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:22,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:22,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-15 02:05:25,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:05:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3674 [2020-10-15 02:05:25,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:05:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 02:05:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:25,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:05:25,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:05:25,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:05:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:05:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:25,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:25,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:05:25,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:25,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:25,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:05:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:25,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:25,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:05:25,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:05:25,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:05:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:05:25,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:25,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:05:25,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:25,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:05:25,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:25,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:25,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:25,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:05:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:25,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:25,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:25,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:05:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:05:25,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:05:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-15 02:05:25,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:05:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:05:25,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:25,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:05:25,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:25,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:05:25,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:25,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:25,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:25,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:25,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:05:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:25,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:25,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:25,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:25,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:25,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:05:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:25,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:25,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:25,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:25,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:05:25,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:25,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:25,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 35 proven. 64 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-15 02:05:25,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706670480] [2020-10-15 02:05:25,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:05:25,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:05:25,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916917778] [2020-10-15 02:05:25,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:05:25,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:25,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:05:25,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:05:25,965 INFO L87 Difference]: Start difference. First operand 83 states and 143 transitions. Second operand 12 states. [2020-10-15 02:05:26,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:26,342 INFO L93 Difference]: Finished difference Result 227 states and 520 transitions. [2020-10-15 02:05:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 02:05:26,344 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-15 02:05:26,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:26,347 INFO L225 Difference]: With dead ends: 227 [2020-10-15 02:05:26,348 INFO L226 Difference]: Without dead ends: 139 [2020-10-15 02:05:26,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:05:26,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-15 02:05:26,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 123. [2020-10-15 02:05:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-15 02:05:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 219 transitions. [2020-10-15 02:05:26,375 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 219 transitions. Word has length 92 [2020-10-15 02:05:26,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:26,376 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 219 transitions. [2020-10-15 02:05:26,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:05:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 219 transitions. [2020-10-15 02:05:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 02:05:26,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:26,382 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:05:26,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 02:05:26,383 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:26,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:26,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1396512158, now seen corresponding path program 1 times [2020-10-15 02:05:26,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:26,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780116626] [2020-10-15 02:05:26,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:26,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:28,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:28,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:28,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:05:31,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:31,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:31,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:31,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:31,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:32,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:33,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:33,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:33,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:33,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:33,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:33,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:34,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:35,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:35,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:35,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:35,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:36,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-15 02:05:36,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 50 [2020-10-15 02:05:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:05:36,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:36,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:05:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:05:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:05:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:36,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:36,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:36,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:37,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:37,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:37,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:37,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:37,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:37,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:41,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:05:41,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:05:41,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:05:41,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:41,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:05:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:05:41,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:41,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:41,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:41,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:05:41,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:41,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:05:41,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:41,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:05:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:41,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:41,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:41,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:41,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:05:41,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:41,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:41,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:05:41,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:05:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:41,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:41,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:41,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:41,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:41,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:41,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:41,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:05:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:41,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:05:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:41,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:41,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:41,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:41,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:41,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:05:41,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:41,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:41,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:41,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:41,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:05:41,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:41,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:05:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:41,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:05:41,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:41,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:05:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 02:05:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:41,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:42,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:43,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:44,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:44,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:46,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:05:46,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-15 02:05:46,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:05:46,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:46,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:05:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:05:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 02:05:46,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:47,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:05:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:05:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-10-15 02:05:47,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:47,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:05:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:47,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:47,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:05:47,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:05:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-15 02:05:47,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:47,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:05:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:47,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:47,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:47,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:47,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:47,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:05:47,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:47,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:47,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:47,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:47,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:05:47,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:47,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:05:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:47,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:47,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:47,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:47,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:05:47,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:47,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:47,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:47,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:05:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:47,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:47,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:05:47,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:47,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:05:47,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:47,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 02:05:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:47,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:47,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:47,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:47,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:05:47,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:47,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:05:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:47,768 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 102 proven. 59 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-15 02:05:47,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780116626] [2020-10-15 02:05:47,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:05:47,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 02:05:47,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560960790] [2020-10-15 02:05:47,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:05:47,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:47,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:05:47,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:05:47,770 INFO L87 Difference]: Start difference. First operand 123 states and 219 transitions. Second operand 13 states. [2020-10-15 02:05:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:48,187 INFO L93 Difference]: Finished difference Result 299 states and 627 transitions. [2020-10-15 02:05:48,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:05:48,188 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 108 [2020-10-15 02:05:48,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:48,191 INFO L225 Difference]: With dead ends: 299 [2020-10-15 02:05:48,191 INFO L226 Difference]: Without dead ends: 170 [2020-10-15 02:05:48,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:05:48,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-15 02:05:48,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 164. [2020-10-15 02:05:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-15 02:05:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 294 transitions. [2020-10-15 02:05:48,217 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 294 transitions. Word has length 108 [2020-10-15 02:05:48,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:48,217 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 294 transitions. [2020-10-15 02:05:48,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:05:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 294 transitions. [2020-10-15 02:05:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-15 02:05:48,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:48,224 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:05:48,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:05:48,224 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:48,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1347377420, now seen corresponding path program 1 times [2020-10-15 02:05:48,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:48,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271463665] [2020-10-15 02:05:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:48,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:49,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:53,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-15 02:05:53,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 02:05:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-15 02:05:53,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:53,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:05:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:05:53,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:05:53,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:53,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:53,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:53,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:53,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:53,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:05:53,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:53,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:53,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:53,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:54,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:58,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-15 02:05:58,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 02:05:58,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 02:05:58,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:58,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:58,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:05:58,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:05:58,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-15 02:05:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:05:58,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:03,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:06:03,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:03,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:03,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:03,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:03,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:03,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:06:03,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:03,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:03,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:03,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:03,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:03,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:03,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:03,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:03,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:03,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:03,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:03,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:03,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:03,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:03,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:03,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:03,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:03,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:03,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:06:03,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:03,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:06:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:03,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:03,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:03,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:03,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:06:03,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:03,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:03,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:03,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:03,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:03,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:03,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:03,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:03,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:03,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:03,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:06:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:03,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:03,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:04,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:04,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:04,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:04,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:05,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:08,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-15 02:06:08,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-15 02:06:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:06:08,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:08,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:06:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:06:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 02:06:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:08,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:08,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:06:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:08,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:08,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:08,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:08,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:06:08,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:08,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:06:08,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:08,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:08,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:08,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:08,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:08,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:08,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:08,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:08,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:08,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:08,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:08,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:08,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:08,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:08,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:08,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:08,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:06:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:08,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:08,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:08,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:08,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:08,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:08,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:06:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:13,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-15 02:06:13,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 02:06:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:06:13,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:13,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:06:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:06:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:06:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:13,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:14,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:14,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-15 02:06:18,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:18,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4936 [2020-10-15 02:06:18,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:18,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:18,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 02:06:18,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:18,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:06:18,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:06:18,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:18,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:18,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:18,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:18,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:18,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:18,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:18,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:18,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:06:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:18,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:06:18,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:06:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:18,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:18,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:18,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:18,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:18,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:18,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:18,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:18,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:06:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 190 proven. 146 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2020-10-15 02:06:18,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271463665] [2020-10-15 02:06:18,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:18,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 02:06:18,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460919928] [2020-10-15 02:06:18,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:06:18,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:18,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:06:18,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:06:18,803 INFO L87 Difference]: Start difference. First operand 164 states and 294 transitions. Second operand 14 states. [2020-10-15 02:06:19,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:19,465 INFO L93 Difference]: Finished difference Result 452 states and 1013 transitions. [2020-10-15 02:06:19,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:06:19,468 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2020-10-15 02:06:19,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:19,478 INFO L225 Difference]: With dead ends: 452 [2020-10-15 02:06:19,478 INFO L226 Difference]: Without dead ends: 294 [2020-10-15 02:06:19,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2020-10-15 02:06:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-15 02:06:19,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 253. [2020-10-15 02:06:19,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-15 02:06:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 482 transitions. [2020-10-15 02:06:19,543 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 482 transitions. Word has length 157 [2020-10-15 02:06:19,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:19,544 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 482 transitions. [2020-10-15 02:06:19,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:06:19,545 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 482 transitions. [2020-10-15 02:06:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-15 02:06:19,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:19,552 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:06:19,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 02:06:19,552 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:19,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:19,553 INFO L82 PathProgramCache]: Analyzing trace with hash 225703663, now seen corresponding path program 1 times [2020-10-15 02:06:19,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:19,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324153252] [2020-10-15 02:06:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:19,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:19,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:21,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:21,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:24,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:06:24,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-15 02:06:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:06:24,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:24,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:06:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:06:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 02:06:24,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:24,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:24,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:24,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:24,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:24,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:24,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:24,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:24,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:24,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:24,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:24,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:24,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:24,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:29,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-15 02:06:29,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-15 02:06:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 02:06:29,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:29,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:06:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:06:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:06:29,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:29,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:29,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:33,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:06:33,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3826 [2020-10-15 02:06:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:33,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:06:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:33,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:33,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:33,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:33,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:33,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 02:06:33,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:33,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:06:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:06:33,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:33,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:33,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:33,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:33,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:06:33,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:33,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:33,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:33,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:33,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:33,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:06:33,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:33,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:33,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:33,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:33,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:33,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:06:33,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:33,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:06:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:33,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:33,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:33,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:33,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:33,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:33,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:33,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:33,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:33,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:33,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:33,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:06:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:34,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:06:34,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:06:34,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-15 02:06:34,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:34,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:06:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:06:34,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:34,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:34,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:34,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:06:34,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:34,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:34,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:34,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:34,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:34,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:34,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:34,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:34,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:34,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:34,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:34,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:34,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:34,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:34,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:34,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:34,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:34,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:34,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:34,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:34,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:34,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:34,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:34,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:34,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:06:34,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:34,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:06:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 53 proven. 60 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-15 02:06:34,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324153252] [2020-10-15 02:06:34,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:34,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 02:06:34,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811853599] [2020-10-15 02:06:34,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:06:34,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:34,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:06:34,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:06:34,213 INFO L87 Difference]: Start difference. First operand 253 states and 482 transitions. Second operand 13 states. [2020-10-15 02:06:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:34,608 INFO L93 Difference]: Finished difference Result 578 states and 1384 transitions. [2020-10-15 02:06:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:06:34,609 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-15 02:06:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:34,616 INFO L225 Difference]: With dead ends: 578 [2020-10-15 02:06:34,616 INFO L226 Difference]: Without dead ends: 274 [2020-10-15 02:06:34,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:06:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-10-15 02:06:34,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 236. [2020-10-15 02:06:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-15 02:06:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 494 transitions. [2020-10-15 02:06:34,661 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 494 transitions. Word has length 94 [2020-10-15 02:06:34,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:34,661 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 494 transitions. [2020-10-15 02:06:34,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:06:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 494 transitions. [2020-10-15 02:06:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 02:06:34,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:34,665 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:06:34,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 02:06:34,665 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:34,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:34,666 INFO L82 PathProgramCache]: Analyzing trace with hash 172842854, now seen corresponding path program 1 times [2020-10-15 02:06:34,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:34,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361766984] [2020-10-15 02:06:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:34,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:34,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-15 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:39,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:39,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:39,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:39,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:39,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:39,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:39,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:39,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:43,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:43,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:43,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:43,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:43,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:43,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:44,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 02:06:44,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-15 02:06:44,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 02:06:44,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:44,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:06:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:06:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-15 02:06:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:44,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:44,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:45,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:45,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:48,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:06:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3350 [2020-10-15 02:06:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:48,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:06:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:48,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:48,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:48,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:48,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:06:48,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:48,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:48,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:48,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:48,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:48,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:48,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:48,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:48,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:48,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:48,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:48,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:48,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:48,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:48,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:48,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:48,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:48,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:06:48,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:48,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:06:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:48,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:48,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:48,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:06:48,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:48,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:48,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:48,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:48,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:48,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:48,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:48,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:48,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:06:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:48,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:48,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:49,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:53,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:06:53,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 02:06:53,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:06:53,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:53,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:53,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:06:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 02:06:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:53,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:53,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:53,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:06:53,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:53,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:53,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:53,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:53,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:53,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:53,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:53,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:53,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:53,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:53,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:53,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:53,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:53,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:53,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:53,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:53,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:53,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:53,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:53,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:53,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:53,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:53,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 02:06:53,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:53,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:53,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:53,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:53,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:53,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:53,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:53,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:53,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:53,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:53,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:53,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:53,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:53,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:06:53,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:53,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:53,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 80 proven. 66 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-15 02:06:53,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361766984] [2020-10-15 02:06:53,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:53,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 02:06:53,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846900833] [2020-10-15 02:06:53,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:06:53,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:53,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:06:53,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:06:53,386 INFO L87 Difference]: Start difference. First operand 236 states and 494 transitions. Second operand 13 states. [2020-10-15 02:06:53,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:53,826 INFO L93 Difference]: Finished difference Result 487 states and 1109 transitions. [2020-10-15 02:06:53,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 02:06:53,827 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 106 [2020-10-15 02:06:53,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:53,832 INFO L225 Difference]: With dead ends: 487 [2020-10-15 02:06:53,832 INFO L226 Difference]: Without dead ends: 245 [2020-10-15 02:06:53,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:06:53,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-15 02:06:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 200. [2020-10-15 02:06:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-15 02:06:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 363 transitions. [2020-10-15 02:06:53,863 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 363 transitions. Word has length 106 [2020-10-15 02:06:53,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:53,864 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 363 transitions. [2020-10-15 02:06:53,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:06:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 363 transitions. [2020-10-15 02:06:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-15 02:06:53,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:53,867 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:06:53,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 02:06:53,867 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:53,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:53,867 INFO L82 PathProgramCache]: Analyzing trace with hash -330861728, now seen corresponding path program 2 times [2020-10-15 02:06:53,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:53,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674066753] [2020-10-15 02:06:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:53,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:54,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:58,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:06:58,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:58,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:58,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:58,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:58,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:58,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:58,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:58,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:00,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-15 02:07:03,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-15 02:07:03,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:07:03,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:07:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:07:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:08,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:08,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:07:08,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:07:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:07:08,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:08,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:07:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:08,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:08,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:08,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:08,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:08,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:07:08,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:08,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:08,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:08,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:08,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:08,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:08,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:08,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:08,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:08,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:08,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:08,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:08,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:08,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:08,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:08,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:08,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:09,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:09,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-15 02:07:09,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:09,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:07:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:09,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:09,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:09,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:09,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:07:09,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:09,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:07:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:09,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:09,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:09,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:09,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:09,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:09,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:09,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:09,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:09,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:09,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:09,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:09,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 02:07:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:09,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:12,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:07:12,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:07:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3587 [2020-10-15 02:07:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:12,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:07:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 02:07:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:12,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:12,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:12,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:07:12,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:12,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:12,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:12,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:12,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:12,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:12,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:12,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:12,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:12,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:12,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:12,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:12,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:12,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:07:12,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:07:12,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:12,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:12,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:12,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:12,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:12,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:12,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:12,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:07:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:12,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:12,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:12,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:12,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:12,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:12,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:12,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 75 proven. 67 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-10-15 02:07:12,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674066753] [2020-10-15 02:07:12,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:12,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 02:07:12,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965596360] [2020-10-15 02:07:12,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:07:12,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:12,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:07:12,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:07:12,806 INFO L87 Difference]: Start difference. First operand 200 states and 363 transitions. Second operand 11 states. [2020-10-15 02:07:13,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:13,104 INFO L93 Difference]: Finished difference Result 419 states and 807 transitions. [2020-10-15 02:07:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:07:13,115 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-10-15 02:07:13,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:13,120 INFO L225 Difference]: With dead ends: 419 [2020-10-15 02:07:13,120 INFO L226 Difference]: Without dead ends: 215 [2020-10-15 02:07:13,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:07:13,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-15 02:07:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 203. [2020-10-15 02:07:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-15 02:07:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 364 transitions. [2020-10-15 02:07:13,150 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 364 transitions. Word has length 107 [2020-10-15 02:07:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:13,150 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 364 transitions. [2020-10-15 02:07:13,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:07:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 364 transitions. [2020-10-15 02:07:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-15 02:07:13,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:13,153 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:07:13,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 02:07:13,154 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:13,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:13,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1322701076, now seen corresponding path program 2 times [2020-10-15 02:07:13,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:13,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650752508] [2020-10-15 02:07:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:13,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-15 02:07:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:18,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:18,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:18,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:18,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:23,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-15 02:07:23,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:07:23,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:07:23,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:23,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:23,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:07:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:07:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-15 02:07:23,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:23,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:23,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:23,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-15 02:07:28,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 02:07:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:07:28,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:07:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 02:07:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:07:28,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:07:28,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-15 02:07:28,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:07:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:07:28,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:07:28,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:28,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:07:28,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:07:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:28,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:28,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:07:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:28,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:28,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:07:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:28,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:28,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:07:28,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:07:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 02:07:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:29,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:33,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-15 02:07:33,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-15 02:07:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:07:33,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:33,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 02:07:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:33,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:33,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:34,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:34,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:07:37,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:07:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3404 [2020-10-15 02:07:37,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:07:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:07:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:37,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:07:37,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:37,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:07:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:37,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:37,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:37,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:37,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:37,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:07:37,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:37,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:07:37,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:07:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:07:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:37,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:37,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:07:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:37,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:07:37,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:07:37,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:37,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:37,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:37,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 02:07:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:39,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:39,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:07:39,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:07:39,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2560 [2020-10-15 02:07:39,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:39,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:07:39,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:39,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:39,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:39,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:39,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:40,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:40,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 02:07:40,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:40,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:07:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:07:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:40,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:40,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:40,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:40,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:40,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:07:40,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:40,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:07:40,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:40,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:40,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:40,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:40,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:40,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:40,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:40,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:40,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:40,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:40,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:40,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:07:40,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:40,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:07:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:40,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:40,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:40,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:40,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:40,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:40,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:40,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:40,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:40,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:40,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:40,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:40,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:40,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:40,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:40,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:40,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:40,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:40,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 240 proven. 145 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-10-15 02:07:40,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650752508] [2020-10-15 02:07:40,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:40,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 02:07:40,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353670958] [2020-10-15 02:07:40,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 02:07:40,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:40,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 02:07:40,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:07:40,131 INFO L87 Difference]: Start difference. First operand 203 states and 364 transitions. Second operand 15 states. [2020-10-15 02:07:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:40,664 INFO L93 Difference]: Finished difference Result 467 states and 955 transitions. [2020-10-15 02:07:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:07:40,665 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 161 [2020-10-15 02:07:40,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:40,671 INFO L225 Difference]: With dead ends: 467 [2020-10-15 02:07:40,671 INFO L226 Difference]: Without dead ends: 230 [2020-10-15 02:07:40,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2020-10-15 02:07:40,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-15 02:07:40,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 213. [2020-10-15 02:07:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-15 02:07:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 364 transitions. [2020-10-15 02:07:40,693 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 364 transitions. Word has length 161 [2020-10-15 02:07:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:40,694 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 364 transitions. [2020-10-15 02:07:40,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 02:07:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 364 transitions. [2020-10-15 02:07:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 02:07:40,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:40,696 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:07:40,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 02:07:40,696 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:40,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:40,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 2 times [2020-10-15 02:07:40,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:40,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353997837] [2020-10-15 02:07:40,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:40,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-15 02:07:45,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:45,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:45,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:45,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:45,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:45,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-15 02:07:50,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:07:50,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:07:50,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:07:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:07:50,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:50,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:50,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:50,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:50,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:50,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:50,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:50,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:50,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:50,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:07:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:50,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:50,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:50,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:50,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:50,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:50,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:50,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:07:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:50,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:50,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:51,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:07:51,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:51,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-15 02:07:51,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:51,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:07:51,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:51,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:51,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:51,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:51,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:51,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:07:51,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:51,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:51,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:51,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:51,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:51,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:51,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:51,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:51,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:51,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:51,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:51,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:51,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:51,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:51,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:51,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:51,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:51,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:51,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:51,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:51,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:51,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:51,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:51,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:51,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:51,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:51,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:51,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:51,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:51,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:07:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-10-15 02:07:51,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353997837] [2020-10-15 02:07:51,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:51,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 02:07:51,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838832922] [2020-10-15 02:07:51,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:07:51,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:51,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:07:51,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:07:51,155 INFO L87 Difference]: Start difference. First operand 213 states and 364 transitions. Second operand 9 states. [2020-10-15 02:07:51,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:51,333 INFO L93 Difference]: Finished difference Result 234 states and 401 transitions. [2020-10-15 02:07:51,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 02:07:51,334 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-10-15 02:07:51,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:51,338 INFO L225 Difference]: With dead ends: 234 [2020-10-15 02:07:51,338 INFO L226 Difference]: Without dead ends: 230 [2020-10-15 02:07:51,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:07:51,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-15 02:07:51,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 213. [2020-10-15 02:07:51,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-15 02:07:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 363 transitions. [2020-10-15 02:07:51,357 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 363 transitions. Word has length 109 [2020-10-15 02:07:51,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:51,358 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 363 transitions. [2020-10-15 02:07:51,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:07:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 363 transitions. [2020-10-15 02:07:51,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 02:07:51,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:51,361 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:07:51,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 02:07:51,361 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:51,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:51,362 INFO L82 PathProgramCache]: Analyzing trace with hash 658049615, now seen corresponding path program 3 times [2020-10-15 02:07:51,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:51,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427892910] [2020-10-15 02:07:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:51,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:51,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:55,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:55,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:55,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:55,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:55,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:55,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:56,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-15 02:07:56,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-15 02:07:56,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 02:07:56,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:56,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:56,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:07:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:07:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-15 02:07:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:56,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:56,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:56,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:56,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:56,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:56,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:56,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:56,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:56,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:56,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:01,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-15 02:08:01,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-15 02:08:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-15 02:08:01,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:01,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-15 02:08:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:01,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:01,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:04,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:04,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:04,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:04,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:04,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:08:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:08:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:06,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:06,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:06,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:06,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:08:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-15 02:08:06,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:06,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:08:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:08:06,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:06,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:06,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:06,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:06,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:06,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:08:06,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:06,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:06,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:06,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:06,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:08:06,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:06,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:06,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:06,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:06,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:06,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:06,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:06,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:06,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:06,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:06,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:06,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:06,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:06,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:06,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:06,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:06,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:06,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:06,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:06,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:06,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:08:06,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:06,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:08:06,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:08:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:06,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:06,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:07,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:07,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:08:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-15 02:08:07,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:07,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:08:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:08:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:08:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:07,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:07,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:07,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:07,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:08:07,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:07,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:07,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:07,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:07,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:08:07,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:07,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:07,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:07,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:07,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:07,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:07,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:07,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:07,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:07,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:08:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:08:07,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:07,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:07,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:07,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:08:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 02:08:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:07,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:09,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:09,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:09,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:12,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-15 02:08:12,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 02:08:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:08:12,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:12,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:08:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:08:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:08:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:12,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:13,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking...