/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_15-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:29:23,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:29:23,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:29:23,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:29:23,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:29:23,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:29:23,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:29:23,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:29:23,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:29:23,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:29:23,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:29:23,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:29:23,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:29:23,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:29:23,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:29:23,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:29:23,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:29:23,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:29:23,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:29:23,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:29:23,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:29:23,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:29:23,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:29:23,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:29:23,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:29:23,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:29:23,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:29:23,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:29:23,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:29:23,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:29:23,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:29:23,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:29:23,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:29:23,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:29:23,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:29:23,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:29:23,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:29:23,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:29:23,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:29:23,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:29:23,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:29:23,146 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 [2020-10-14 07:29:23,167 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:29:23,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:29:23,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:29:23,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:29:23,169 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:29:23,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:29:23,169 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:29:23,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:29:23,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:29:23,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:29:23,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:29:23,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:29:23,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:29:23,171 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:29:23,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:29:23,171 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:29:23,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:29:23,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:29:23,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:29:23,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:29:23,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:29:23,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:29:23,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:29:23,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:29:23,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:29:23,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:29:23,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:29:23,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:29:23,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:29:23,174 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:29:23,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:29:23,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:29:23,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:29:23,474 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:29:23,475 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:29:23,475 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-10-14 07:29:23,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/262af595c/731d6cc84c194403987dea8f0d2d054c/FLAG8d07c29c8 [2020-10-14 07:29:23,939 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:29:23,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-10-14 07:29:23,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/262af595c/731d6cc84c194403987dea8f0d2d054c/FLAG8d07c29c8 [2020-10-14 07:29:24,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/262af595c/731d6cc84c194403987dea8f0d2d054c [2020-10-14 07:29:24,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:29:24,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:29:24,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:29:24,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:29:24,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:29:24,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c39f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24, skipping insertion in model container [2020-10-14 07:29:24,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:29:24,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:29:24,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:29:24,520 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:29:24,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:29:24,546 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:29:24,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24 WrapperNode [2020-10-14 07:29:24,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:29:24,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:29:24,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:29:24,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:29:24,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (1/1) ... [2020-10-14 07:29:24,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:29:24,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:29:24,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:29:24,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:29:24,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (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 [2020-10-14 07:29:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:29:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:29:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-14 07:29:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-14 07:29:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:29:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:29:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:29:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-14 07:29:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-14 07:29:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:29:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:29:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:29:24,902 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:29:24,902 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 07:29:24,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:29:24 BoogieIcfgContainer [2020-10-14 07:29:24,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:29:24,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:29:24,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:29:24,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:29:24,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:29:24" (1/3) ... [2020-10-14 07:29:24,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637d102e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:29:24, skipping insertion in model container [2020-10-14 07:29:24,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:29:24" (2/3) ... [2020-10-14 07:29:24,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637d102e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:29:24, skipping insertion in model container [2020-10-14 07:29:24,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:29:24" (3/3) ... [2020-10-14 07:29:24,916 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-2.c [2020-10-14 07:29:24,930 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:29:24,937 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:29:24,955 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:29:24,983 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:29:24,983 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:29:24,983 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:29:24,984 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:29:24,984 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:29:24,984 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:29:24,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:29:24,985 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:29:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-14 07:29:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-14 07:29:25,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:25,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:29:25,015 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:25,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:25,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-14 07:29:25,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:25,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11691357] [2020-10-14 07:29:25,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:25,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:25,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:29:25,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:25,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 07:29:25,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:25,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:29:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:29:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:25,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:29:25,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:25,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:25,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:25,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:29:25,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:25,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:25,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:25,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:25,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:25,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:25,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:25,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:25,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 07:29:25,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:25,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:29:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:25,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:29:25,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11691357] [2020-10-14 07:29:25,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:29:25,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:29:25,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467618950] [2020-10-14 07:29:25,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:29:25,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:25,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:29:25,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:29:25,368 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-14 07:29:25,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:25,463 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-10-14 07:29:25,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:29:25,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-14 07:29:25,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:25,476 INFO L225 Difference]: With dead ends: 44 [2020-10-14 07:29:25,476 INFO L226 Difference]: Without dead ends: 30 [2020-10-14 07:29:25,480 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 [2020-10-14 07:29:25,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-14 07:29:25,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-14 07:29:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:29:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-14 07:29:25,524 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-14 07:29:25,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:25,525 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-14 07:29:25,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:29:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-14 07:29:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-14 07:29:25,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:25,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:29:25,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:29:25,528 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:25,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:25,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-14 07:29:25,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:25,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037774950] [2020-10-14 07:29:25,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:25,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 07:29:25,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:25,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 07:29:25,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:25,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:29:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:29:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:25,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:25,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:25,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:25,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:25,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:29:25,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:25,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:25,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:25,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 07:29:25,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:25,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:29:25,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 07:29:25,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:25,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:29:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:25,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:29:25,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037774950] [2020-10-14 07:29:25,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:29:25,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:29:25,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827759413] [2020-10-14 07:29:25,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:29:25,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:25,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:29:25,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:29:25,759 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-14 07:29:25,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:25,814 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-14 07:29:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:29:25,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-14 07:29:25,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:25,816 INFO L225 Difference]: With dead ends: 36 [2020-10-14 07:29:25,817 INFO L226 Difference]: Without dead ends: 32 [2020-10-14 07:29:25,818 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 [2020-10-14 07:29:25,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-14 07:29:25,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-14 07:29:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:29:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-14 07:29:25,827 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-14 07:29:25,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:25,828 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-14 07:29:25,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:29:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-14 07:29:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-14 07:29:25,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:25,830 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] [2020-10-14 07:29:25,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:29:25,830 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:25,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-14 07:29:25,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:25,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261897134] [2020-10-14 07:29:25,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:25,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:25,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:26,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:29:26,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:29:26,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 509 [2020-10-14 07:29:26,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:26,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:29:26,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:29:26,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 07:29:26,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:29:26,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:26,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:26,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:26,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:29:26,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:26,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:26,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:29:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:26,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:29:26,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:29:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 07:29:26,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:26,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:26,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:29:26,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:26,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:29:26,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:26,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:26,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:26,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:29:26,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:26,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:26,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:29:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:29:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:26,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:26,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:26,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:26,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:29:26,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:26,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:29:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:26,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:29:26,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261897134] [2020-10-14 07:29:26,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:29:26,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 07:29:26,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417354600] [2020-10-14 07:29:26,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:29:26,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:26,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:29:26,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:29:26,653 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-10-14 07:29:26,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:26,766 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-14 07:29:26,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:29:26,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-14 07:29:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:26,768 INFO L225 Difference]: With dead ends: 41 [2020-10-14 07:29:26,769 INFO L226 Difference]: Without dead ends: 37 [2020-10-14 07:29:26,769 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 [2020-10-14 07:29:26,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-14 07:29:26,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-14 07:29:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:29:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:29:26,780 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2020-10-14 07:29:26,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:26,780 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:29:26,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:29:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:29:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-14 07:29:26,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:26,782 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] [2020-10-14 07:29:26,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:29:26,783 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:26,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:26,783 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-10-14 07:29:26,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:26,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458431072] [2020-10-14 07:29:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:26,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:26,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:29:26,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:29:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-14 07:29:26,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:26,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:29:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:29:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:29:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:26,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:26,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:26,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:26,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:26,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:26,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:26,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:26,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:27,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:27,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:27,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:29:27,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:29:27,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 07:29:27,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:27,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:29:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:29:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:29:27,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:27,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:27,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:29:27,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:27,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:29:27,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:27,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:29:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:29:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:27,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:27,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:27,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:29:27,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:27,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:27,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:29:27,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458431072] [2020-10-14 07:29:27,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:29:27,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:29:27,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009454383] [2020-10-14 07:29:27,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:29:27,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:27,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:29:27,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:29:27,258 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-14 07:29:27,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:27,382 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-10-14 07:29:27,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:29:27,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-14 07:29:27,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:27,387 INFO L225 Difference]: With dead ends: 42 [2020-10-14 07:29:27,388 INFO L226 Difference]: Without dead ends: 38 [2020-10-14 07:29:27,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:29:27,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-14 07:29:27,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2020-10-14 07:29:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:29:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:29:27,397 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 27 [2020-10-14 07:29:27,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:27,397 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:29:27,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:29:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:29:27,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 07:29:27,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:27,399 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:29:27,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:29:27,400 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:27,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:27,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1725129826, now seen corresponding path program 1 times [2020-10-14 07:29:27,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:27,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138228299] [2020-10-14 07:29:27,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:27,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:29:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:29:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 07:29:27,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:27,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:29:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:29:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:29:27,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:27,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:27,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:27,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:27,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:27,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:27,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:27,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:27,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:27,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:27,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:29:27,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:29:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-14 07:29:27,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:27,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:27,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:29:27,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:29:27,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:27,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:27,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:29:27,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:29:27,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:27,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:29:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:27,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:29:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:28,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:29:28,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:28,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:29:28,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:28,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:29:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:29:28,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138228299] [2020-10-14 07:29:28,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:29:28,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:29:28,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708203742] [2020-10-14 07:29:28,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:29:28,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:28,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:29:28,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:29:28,053 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-14 07:29:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:28,213 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2020-10-14 07:29:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:29:28,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-14 07:29:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:28,217 INFO L225 Difference]: With dead ends: 49 [2020-10-14 07:29:28,217 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 07:29:28,217 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 [2020-10-14 07:29:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 07:29:28,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2020-10-14 07:29:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:29:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:29:28,227 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 28 [2020-10-14 07:29:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:28,227 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:29:28,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:29:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:29:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:29:28,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:28,230 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] [2020-10-14 07:29:28,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:29:28,230 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:28,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:28,231 INFO L82 PathProgramCache]: Analyzing trace with hash -910208130, now seen corresponding path program 1 times [2020-10-14 07:29:28,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:28,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252036670] [2020-10-14 07:29:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:28,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:28,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:31,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:31,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:31,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:31,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:33,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 07:29:33,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:29:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 07:29:33,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:33,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:29:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:33,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:33,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:33,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:33,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:33,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:33,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:33,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:33,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:33,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:33,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:33,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:34,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:37,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 07:29:37,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:29:37,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4542 [2020-10-14 07:29:37,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:37,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 07:29:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:37,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:37,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:37,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:29:37,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:37,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:29:37,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:37,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:37,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:37,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:29:37,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:29:37,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:37,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:37,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:37,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:37,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:29:37,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:37,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:29:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:37,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:29:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:37,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:37,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:37,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:37,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:37,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:29:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:37,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:29:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:37,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:37,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:29:37,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:29:37,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:29:37,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:37,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:37,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 07:29:37,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:37,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:37,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:37,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:37,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:37,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:37,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:37,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:37,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:37,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:37,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:37,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:37,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:29:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:37,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:37,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:37,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:37,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:37,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:37,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:37,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:37,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 07:29:37,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252036670] [2020-10-14 07:29:37,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:29:37,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 07:29:37,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194545198] [2020-10-14 07:29:37,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:29:37,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:37,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:29:37,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:29:37,931 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 6 states. [2020-10-14 07:29:38,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:38,004 INFO L93 Difference]: Finished difference Result 68 states and 98 transitions. [2020-10-14 07:29:38,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:29:38,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-14 07:29:38,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:38,006 INFO L225 Difference]: With dead ends: 68 [2020-10-14 07:29:38,006 INFO L226 Difference]: Without dead ends: 39 [2020-10-14 07:29:38,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:29:38,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-14 07:29:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-14 07:29:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-14 07:29:38,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-14 07:29:38,015 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 52 [2020-10-14 07:29:38,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:38,016 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-14 07:29:38,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:29:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-14 07:29:38,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 07:29:38,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:38,019 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] [2020-10-14 07:29:38,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:29:38,019 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:38,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:38,020 INFO L82 PathProgramCache]: Analyzing trace with hash 794281190, now seen corresponding path program 1 times [2020-10-14 07:29:38,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:38,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379479436] [2020-10-14 07:29:38,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:38,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:40,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:40,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:41,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:43,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 07:29:43,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:29:43,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:29:43,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:43,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:29:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:29:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:29:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:29:43,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:43,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:43,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:43,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:43,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:43,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:43,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:43,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:43,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:43,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:43,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:44,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:44,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:45,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:45,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:48,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:29:48,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:29:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:29:48,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:48,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:29:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 07:29:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:48,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:48,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:48,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:29:48,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:29:48,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:48,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:29:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:29:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:48,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:48,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:48,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:29:48,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:48,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:48,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:48,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:48,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:29:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:48,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:48,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:48,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:29:48,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:48,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:48,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:29:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:48,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:48,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:29:48,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:29:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 07:29:48,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:48,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:29:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:29:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:48,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:48,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:29:48,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:48,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:29:48,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:48,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:29:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:48,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:29:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:48,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:48,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:29:48,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:48,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:29:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:48,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 07:29:48,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379479436] [2020-10-14 07:29:48,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:29:48,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:29:48,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792973313] [2020-10-14 07:29:48,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:29:48,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:48,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:29:48,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:29:48,250 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 9 states. [2020-10-14 07:29:48,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:48,436 INFO L93 Difference]: Finished difference Result 69 states and 98 transitions. [2020-10-14 07:29:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:29:48,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-14 07:29:48,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:48,440 INFO L225 Difference]: With dead ends: 69 [2020-10-14 07:29:48,440 INFO L226 Difference]: Without dead ends: 65 [2020-10-14 07:29:48,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:29:48,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-14 07:29:48,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60. [2020-10-14 07:29:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 07:29:48,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2020-10-14 07:29:48,453 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 54 [2020-10-14 07:29:48,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:48,453 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2020-10-14 07:29:48,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:29:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2020-10-14 07:29:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 07:29:48,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:48,456 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:29:48,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:29:48,457 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:48,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:48,457 INFO L82 PathProgramCache]: Analyzing trace with hash 736840020, now seen corresponding path program 1 times [2020-10-14 07:29:48,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:48,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35426041] [2020-10-14 07:29:48,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:48,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:48,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:49,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:49,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:49,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:49,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:51,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:53,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 07:29:53,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 07:29:53,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 07:29:53,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:53,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:29:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 07:29:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:29:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:29:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:53,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:53,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:29:53,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:53,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:29:53,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:53,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:53,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:29:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:53,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:53,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 07:29:58,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:29:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:29:58,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:29:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:29:58,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:29:58,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:58,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 07:29:58,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:29:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 07:29:58,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:29:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:29:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:29:58,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:58,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:29:58,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:29:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:29:58,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:29:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:29:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:58,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:29:58,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:29:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:29:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:58,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:29:58,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:29:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:58,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:29:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:58,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:29:58,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:29:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:29:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:29:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:58,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:29:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 07:29:58,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:29:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 07:29:58,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 07:29:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:29:58,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:29:58,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:29:58,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:58,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:29:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:58,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:58,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:29:58,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:58,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:29:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:58,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:58,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:58,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:58,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:58,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:29:58,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:58,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:58,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:29:58,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:29:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:59,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:29:59,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:29:59,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:29:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:29:59,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:29:59,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:29:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:29:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:29:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:29:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:29:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 20 proven. 31 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-14 07:29:59,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35426041] [2020-10-14 07:29:59,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:29:59,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 07:29:59,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661262060] [2020-10-14 07:29:59,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:29:59,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:29:59,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:29:59,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:29:59,015 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand 8 states. [2020-10-14 07:29:59,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:29:59,181 INFO L93 Difference]: Finished difference Result 121 states and 201 transitions. [2020-10-14 07:29:59,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:29:59,183 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-14 07:29:59,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:29:59,188 INFO L225 Difference]: With dead ends: 121 [2020-10-14 07:29:59,188 INFO L226 Difference]: Without dead ends: 67 [2020-10-14 07:29:59,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:29:59,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-14 07:29:59,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 57. [2020-10-14 07:29:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 07:29:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 78 transitions. [2020-10-14 07:29:59,210 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 78 transitions. Word has length 78 [2020-10-14 07:29:59,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:29:59,211 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 78 transitions. [2020-10-14 07:29:59,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:29:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2020-10-14 07:29:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-14 07:29:59,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:29:59,214 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] [2020-10-14 07:29:59,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:29:59,215 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:29:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:29:59,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1316787934, now seen corresponding path program 1 times [2020-10-14 07:29:59,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:29:59,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489785656] [2020-10-14 07:29:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:29:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:29:59,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:29:59,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:02,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:03,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:04,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 07:30:04,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-14 07:30:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:30:04,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:04,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 07:30:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:04,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:04,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:30:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:04,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:04,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:30:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:04,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:04,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:05,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:05,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 07:30:09,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 07:30:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:30:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 07:30:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:30:09,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:30:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-14 07:30:09,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 07:30:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:09,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:30:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:09,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:09,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:30:09,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:30:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:30:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:30:09,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:30:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:09,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:09,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:09,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:30:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:09,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:30:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:30:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:09,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:30:09,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:30:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:30:09,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:30:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-14 07:30:09,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 07:30:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:30:09,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:30:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:30:09,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:09,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:09,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:09,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:09,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:09,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:09,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:30:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:09,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:09,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:30:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 07:30:09,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489785656] [2020-10-14 07:30:09,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:30:09,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 07:30:09,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049060175] [2020-10-14 07:30:09,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:30:09,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:30:09,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:30:09,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:30:09,740 INFO L87 Difference]: Start difference. First operand 57 states and 78 transitions. Second operand 6 states. [2020-10-14 07:30:09,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:30:09,796 INFO L93 Difference]: Finished difference Result 110 states and 170 transitions. [2020-10-14 07:30:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:30:09,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-10-14 07:30:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:30:09,798 INFO L225 Difference]: With dead ends: 110 [2020-10-14 07:30:09,799 INFO L226 Difference]: Without dead ends: 59 [2020-10-14 07:30:09,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:30:09,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-14 07:30:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-14 07:30:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-14 07:30:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-10-14 07:30:09,808 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 80 [2020-10-14 07:30:09,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:30:09,808 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-10-14 07:30:09,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:30:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-10-14 07:30:09,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 07:30:09,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:30:09,810 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:30:09,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:30:09,810 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:30:09,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:30:09,810 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 1 times [2020-10-14 07:30:09,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:30:09,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547297428] [2020-10-14 07:30:09,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:30:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:09,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:09,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:10,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:10,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:10,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:10,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:10,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:11,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:11,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:11,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:11,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:14,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:30:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:30:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:30:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:14,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:14,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:14,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:30:14,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:14,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:14,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:30:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:14,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:14,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:14,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:14,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:14,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:18,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:19,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:19,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:30:19,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 07:30:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:30:19,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:19,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:30:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:30:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:30:19,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:19,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:19,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:19,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:19,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:30:20,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:30:20,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-14 07:30:20,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:30:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:30:20,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:30:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:30:20,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:30:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:30:20,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:20,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:30:20,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:30:20,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:30:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:20,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:20,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:30:20,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:30:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:20,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:20,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:30:20,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:30:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 485 [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:30:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:30:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:30:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:20,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:20,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:20,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:30:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:20,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:20,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:20,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:30:20,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:30:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:20,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:20,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 29 proven. 61 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 07:30:20,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547297428] [2020-10-14 07:30:20,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:30:20,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 07:30:20,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109134141] [2020-10-14 07:30:20,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 07:30:20,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:30:20,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 07:30:20,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:30:20,878 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 14 states. [2020-10-14 07:30:21,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:30:21,312 INFO L93 Difference]: Finished difference Result 148 states and 251 transitions. [2020-10-14 07:30:21,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:30:21,313 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 82 [2020-10-14 07:30:21,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:30:21,314 INFO L225 Difference]: With dead ends: 148 [2020-10-14 07:30:21,314 INFO L226 Difference]: Without dead ends: 81 [2020-10-14 07:30:21,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2020-10-14 07:30:21,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-14 07:30:21,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2020-10-14 07:30:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-14 07:30:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2020-10-14 07:30:21,326 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 82 [2020-10-14 07:30:21,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:30:21,326 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2020-10-14 07:30:21,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 07:30:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2020-10-14 07:30:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 07:30:21,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:30:21,328 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:30:21,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:30:21,328 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:30:21,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:30:21,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1888053581, now seen corresponding path program 1 times [2020-10-14 07:30:21,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:30:21,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245821173] [2020-10-14 07:30:21,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:30:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:21,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:21,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:22,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:22,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:26,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:30:26,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 07:30:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:30:26,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:26,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:26,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:26,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:30:26,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:30:26,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:30:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:26,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:30:26,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:26,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:26,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:26,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:26,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:26,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:30:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:26,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:31,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 07:30:31,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 07:30:31,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:30:31,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:31,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 07:30:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:30:31,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:31,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:31,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:31,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:32,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:32,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:30:32,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:30:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1259 [2020-10-14 07:30:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:32,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:30:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:30:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:32,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:32,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:32,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:32,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:32,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:32,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:32,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:32,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:30:33,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:30:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-14 07:30:33,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:30:33,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:30:33,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:30:33,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 07:30:33,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:30:33,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:30:33,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:33,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:30:33,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:30:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:30:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:33,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:33,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:30:33,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:30:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:33,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:33,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:30:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:30:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:30:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:30:33,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:33,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:30:33,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:33,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:33,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:33,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:33,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:33,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:30:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:33,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:33,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:33,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:30:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:33,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:33,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:33,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:33,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:33,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 40 proven. 67 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-14 07:30:33,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245821173] [2020-10-14 07:30:33,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:30:33,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:30:33,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338769219] [2020-10-14 07:30:33,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:30:33,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:30:33,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:30:33,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:30:33,249 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand 10 states. [2020-10-14 07:30:33,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:30:33,479 INFO L93 Difference]: Finished difference Result 176 states and 281 transitions. [2020-10-14 07:30:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:30:33,480 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2020-10-14 07:30:33,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:30:33,481 INFO L225 Difference]: With dead ends: 176 [2020-10-14 07:30:33,482 INFO L226 Difference]: Without dead ends: 99 [2020-10-14 07:30:33,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:30:33,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-14 07:30:33,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 90. [2020-10-14 07:30:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 07:30:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 129 transitions. [2020-10-14 07:30:33,494 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 129 transitions. Word has length 95 [2020-10-14 07:30:33,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:30:33,494 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 129 transitions. [2020-10-14 07:30:33,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:30:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2020-10-14 07:30:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 07:30:33,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:30:33,497 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:30:33,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 07:30:33,497 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:30:33,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:30:33,497 INFO L82 PathProgramCache]: Analyzing trace with hash 263789360, now seen corresponding path program 2 times [2020-10-14 07:30:33,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:30:33,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004805789] [2020-10-14 07:30:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:30:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:33,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:33,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:35,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:35,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:35,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:35,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:36,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:36,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:36,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:36,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:36,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:36,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:38,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-14 07:30:38,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:30:38,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 07:30:38,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:38,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:38,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:38,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 07:30:38,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:30:38,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:30:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:38,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:38,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:30:38,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:38,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:38,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:38,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:38,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:38,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:30:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:38,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:39,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:39,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:40,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:40,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:40,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:40,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:40,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:41,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:41,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:41,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:41,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:41,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:41,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:41,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:43,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:43,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-14 07:30:43,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-14 07:30:43,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-14 07:30:43,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:43,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:30:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 07:30:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 07:30:43,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:43,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:43,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:43,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:43,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:43,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:43,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:43,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:44,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:46,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:30:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:30:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:48,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:48,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:30:48,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:30:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-14 07:30:48,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:48,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:30:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:30:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:48,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:48,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:30:48,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:48,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:30:48,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:48,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:48,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:48,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:30:48,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:48,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:48,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:48,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:30:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:30:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:48,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:48,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:48,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:48,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:48,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:48,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:30:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:48,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:48,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:48,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:30:48,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:48,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:48,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:48,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:30:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:48,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:48,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:49,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:50,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:53,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:53,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:30:53,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:30:53,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:30:53,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:53,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:53,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:30:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:30:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 07:30:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:54,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:54,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:54,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:30:54,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:30:54,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:54,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:54,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:54,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:30:54,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:54,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:54,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:54,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:54,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:54,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:54,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:54,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:30:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:54,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:54,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:54,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:54,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:30:54,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:54,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:30:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:30:54,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:30:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:54,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:54,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:30:54,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:54,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:54,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:54,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:30:54,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:54,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:54,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:30:54,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:54,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:30:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:54,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:30:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:30:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:30:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:54,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:30:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:30:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:30:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:54,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 07:30:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:54,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:54,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:55,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:30:59,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:30:59,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 07:30:59,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:30:59,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:30:59,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:30:59,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:30:59,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:30:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 07:30:59,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:30:59,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:30:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:30:59,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:30:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:31:03,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:31:03,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4557 [2020-10-14 07:31:03,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 07:31:03,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:03,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:31:03,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:31:03,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-14 07:31:03,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:03,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:03,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:31:03,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:03,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:03,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:03,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:31:03,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:31:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:03,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:03,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:03,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:03,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:03,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:03,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:03,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:03,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:31:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:03,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:03,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:03,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:31:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:03,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:31:03,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:03,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:31:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:03,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:03,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:03,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:03,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 215 proven. 141 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2020-10-14 07:31:04,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004805789] [2020-10-14 07:31:04,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:31:04,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 07:31:04,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360292071] [2020-10-14 07:31:04,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 07:31:04,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:04,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 07:31:04,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:31:04,019 INFO L87 Difference]: Start difference. First operand 90 states and 129 transitions. Second operand 15 states. [2020-10-14 07:31:04,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:04,421 INFO L93 Difference]: Finished difference Result 176 states and 277 transitions. [2020-10-14 07:31:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:31:04,421 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 162 [2020-10-14 07:31:04,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:04,424 INFO L225 Difference]: With dead ends: 176 [2020-10-14 07:31:04,424 INFO L226 Difference]: Without dead ends: 98 [2020-10-14 07:31:04,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2020-10-14 07:31:04,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-14 07:31:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 86. [2020-10-14 07:31:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 07:31:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2020-10-14 07:31:04,436 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 162 [2020-10-14 07:31:04,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:04,436 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2020-10-14 07:31:04,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 07:31:04,437 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2020-10-14 07:31:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 07:31:04,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:04,438 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] [2020-10-14 07:31:04,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 07:31:04,439 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:04,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:04,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 3 times [2020-10-14 07:31:04,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:04,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120805384] [2020-10-14 07:31:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:04,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:04,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:04,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:04,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:04,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:08,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:08,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:09,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:09,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:31:09,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:31:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:31:09,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:09,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:31:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:31:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 07:31:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:09,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:09,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:09,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:09,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:09,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:09,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:09,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:10,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:10,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:14,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:14,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:31:14,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:31:14,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:31:14,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:14,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:14,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:31:14,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:14,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 07:31:14,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:14,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:14,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:14,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:14,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:14,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:14,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:31:19,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:31:19,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:31:19,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:31:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:31:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 07:31:19,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:31:19,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:31:19,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-14 07:31:19,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:31:19,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:31:19,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:19,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:31:19,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:31:19,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:19,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:19,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:19,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:19,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:31:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:31:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:31:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:19,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:31:19,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:31:19,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:19,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:19,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:19,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:19,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:19,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:31:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:31:19,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:31:19,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:31:19,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:19,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:31:19,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:19,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:19,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:19,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:19,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:31:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:19,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:19,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:19,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:19,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:19,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:19,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 33 proven. 85 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 07:31:19,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120805384] [2020-10-14 07:31:19,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:31:19,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:31:19,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624451354] [2020-10-14 07:31:19,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:31:19,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:19,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:31:19,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:31:19,921 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand 11 states. [2020-10-14 07:31:20,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:20,150 INFO L93 Difference]: Finished difference Result 127 states and 186 transitions. [2020-10-14 07:31:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:31:20,150 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-10-14 07:31:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:20,152 INFO L225 Difference]: With dead ends: 127 [2020-10-14 07:31:20,152 INFO L226 Difference]: Without dead ends: 113 [2020-10-14 07:31:20,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:31:20,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-14 07:31:20,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2020-10-14 07:31:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-14 07:31:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2020-10-14 07:31:20,169 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 109 [2020-10-14 07:31:20,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:20,170 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2020-10-14 07:31:20,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:31:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2020-10-14 07:31:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 07:31:20,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:20,174 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 9, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:31:20,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 07:31:20,175 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:20,180 INFO L82 PathProgramCache]: Analyzing trace with hash 538154289, now seen corresponding path program 4 times [2020-10-14 07:31:20,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:20,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513906456] [2020-10-14 07:31:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:20,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:20,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:21,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:21,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:22,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:22,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:22,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:25,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 07:31:25,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 07:31:25,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:31:25,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:25,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:31:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 07:31:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:31:25,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:25,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:25,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:25,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:25,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:25,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:25,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:25,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:25,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:26,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:29,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:30,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 07:31:30,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:31:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 07:31:30,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:30,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:31:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 07:31:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:31:30,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:30,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:30,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:32,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:35,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:35,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 07:31:35,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 07:31:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 07:31:35,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:35,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:31:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:31:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 07:31:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:35,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:35,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:35,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:35,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:35,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:35,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:35,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:36,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2141 [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:31:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:31:37,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:37,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:37,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:37,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:31:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 07:31:37,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:37,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:31:37,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:37,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:37,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:37,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:37,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:31:37,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:37,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:37,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:37,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:37,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:37,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:37,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:37,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:37,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:37,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:31:37,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:37,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:37,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:31:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:37,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:37,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:37,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:31:37,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:31:37,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:37,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:31:37,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:37,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:37,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:37,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:37,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:37,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:37,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:37,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:37,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:37,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:37,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:37,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:37,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:31:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:37,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:31:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:37,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:38,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3453 [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:31:41,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:41,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:41,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:41,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:41,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:31:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:41,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:41,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:41,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:41,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 07:31:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:31:41,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:31:41,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:31:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:41,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:41,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:41,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:41,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:31:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 63 proven. 132 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-10-14 07:31:41,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513906456] [2020-10-14 07:31:41,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:31:41,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:31:41,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198589703] [2020-10-14 07:31:41,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:31:41,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:41,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:31:41,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:31:41,132 INFO L87 Difference]: Start difference. First operand 110 states and 161 transitions. Second operand 10 states. [2020-10-14 07:31:41,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:41,373 INFO L93 Difference]: Finished difference Result 221 states and 352 transitions. [2020-10-14 07:31:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 07:31:41,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2020-10-14 07:31:41,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:41,376 INFO L225 Difference]: With dead ends: 221 [2020-10-14 07:31:41,376 INFO L226 Difference]: Without dead ends: 120 [2020-10-14 07:31:41,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:31:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-14 07:31:41,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2020-10-14 07:31:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-14 07:31:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 166 transitions. [2020-10-14 07:31:41,389 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 166 transitions. Word has length 149 [2020-10-14 07:31:41,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:41,390 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 166 transitions. [2020-10-14 07:31:41,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:31:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 166 transitions. [2020-10-14 07:31:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 07:31:41,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:41,395 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:31:41,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 07:31:41,395 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:41,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:41,396 INFO L82 PathProgramCache]: Analyzing trace with hash -356121489, now seen corresponding path program 5 times [2020-10-14 07:31:41,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:41,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174220102] [2020-10-14 07:31:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:41,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 07:31:46,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:31:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 07:31:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:46,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:31:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:31:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 07:31:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:46,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:46,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:46,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:31:46,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:46,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:46,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:51,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 47 [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:31:51,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:51,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:51,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:51,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:52,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:52,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:56,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 07:31:56,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 07:31:56,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:31:56,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:56,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:31:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:31:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:31:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:56,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:57,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:57,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:57,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:32:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:01,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:01,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:01,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:32:01,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:01,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:32:01,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:01,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:01,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:01,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:01,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:01,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:01,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:01,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:01,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:01,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:01,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:01,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:01,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:01,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 07:32:01,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:32:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:01,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:01,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:01,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:01,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:01,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:01,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:01,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:01,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:01,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:01,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:01,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:32:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:01,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:32:06,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:32:06,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4586 [2020-10-14 07:32:06,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:32:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:06,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:06,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:32:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 07:32:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:32:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:32:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:06,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:06,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:06,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:32:06,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:06,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:06,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:32:06,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:06,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:06,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:06,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:06,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:06,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:06,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:06,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:32:06,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:32:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:06,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:06,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:06,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:06,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:06,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:06,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:06,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:06,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:06,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 07:32:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:07,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:11,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:11,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:11,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:11,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:11,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:11,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:11,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:11,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 186 proven. 288 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-14 07:32:11,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174220102] [2020-10-14 07:32:11,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:11,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 07:32:11,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244022679] [2020-10-14 07:32:11,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 07:32:11,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:11,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 07:32:11,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-14 07:32:11,777 INFO L87 Difference]: Start difference. First operand 114 states and 166 transitions. Second operand 18 states. [2020-10-14 07:32:12,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:12,285 INFO L93 Difference]: Finished difference Result 250 states and 425 transitions. [2020-10-14 07:32:12,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 07:32:12,285 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 205 [2020-10-14 07:32:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:12,287 INFO L225 Difference]: With dead ends: 250 [2020-10-14 07:32:12,287 INFO L226 Difference]: Without dead ends: 150 [2020-10-14 07:32:12,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2020-10-14 07:32:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-14 07:32:12,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 140. [2020-10-14 07:32:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-14 07:32:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 215 transitions. [2020-10-14 07:32:12,314 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 215 transitions. Word has length 205 [2020-10-14 07:32:12,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:12,314 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 215 transitions. [2020-10-14 07:32:12,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 07:32:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 215 transitions. [2020-10-14 07:32:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-14 07:32:12,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:12,318 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:12,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 07:32:12,318 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:12,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:12,318 INFO L82 PathProgramCache]: Analyzing trace with hash 21347264, now seen corresponding path program 6 times [2020-10-14 07:32:12,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:12,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365610872] [2020-10-14 07:32:12,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:12,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:32:17,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 07:32:17,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:32:17,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 07:32:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:32:17,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:17,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:17,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:17,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:17,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:17,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:17,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:17,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:17,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:22,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:32:22,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 07:32:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:32:22,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:22,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 07:32:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:32:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:22,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:22,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 07:32:27,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:32:27,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:32:27,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 07:32:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:32:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:32:27,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:27,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:27,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:27,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:27,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:27,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:27,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:27,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:27,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:27,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:27,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:27,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:27,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:27,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:27,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:27,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:32:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:32:27,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:32:27,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:32:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:32:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:27,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:27,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:27,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:27,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:27,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 07:32:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:27,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:27,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:32:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:27,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:27,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:27,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:27,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:27,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:27,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:27,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 87 proven. 41 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2020-10-14 07:32:27,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365610872] [2020-10-14 07:32:27,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:27,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 07:32:27,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50028232] [2020-10-14 07:32:27,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:32:27,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:27,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:32:27,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:32:27,497 INFO L87 Difference]: Start difference. First operand 140 states and 215 transitions. Second operand 6 states. [2020-10-14 07:32:27,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:27,576 INFO L93 Difference]: Finished difference Result 263 states and 439 transitions. [2020-10-14 07:32:27,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:32:27,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-10-14 07:32:27,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:27,579 INFO L225 Difference]: With dead ends: 263 [2020-10-14 07:32:27,579 INFO L226 Difference]: Without dead ends: 137 [2020-10-14 07:32:27,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:32:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-14 07:32:27,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-14 07:32:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-14 07:32:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 206 transitions. [2020-10-14 07:32:27,594 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 206 transitions. Word has length 137 [2020-10-14 07:32:27,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:27,594 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 206 transitions. [2020-10-14 07:32:27,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:32:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 206 transitions. [2020-10-14 07:32:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-14 07:32:27,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:27,598 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 11, 10, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:27,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 07:32:27,599 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:27,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:27,599 INFO L82 PathProgramCache]: Analyzing trace with hash 215516676, now seen corresponding path program 7 times [2020-10-14 07:32:27,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:27,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657433728] [2020-10-14 07:32:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:29,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:30,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:31,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:31,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:32,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-14 07:32:32,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 07:32:32,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:32:32,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:32,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:32:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-14 07:32:32,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:32,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:32,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:32,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:32,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:32,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:32,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:32,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:32,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:35,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:35,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:32:37,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:32:37,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:37,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:37,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:37,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:42,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 07:32:42,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:32:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:32:42,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:42,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:32:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:32:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:32:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:42,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:43,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:43,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:43,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:47,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:32:47,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:32:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:32:47,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:47,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:32:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:32:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:47,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:47,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:48,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:32:48,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 664 [2020-10-14 07:32:48,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:32:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:48,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:48,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 07:32:48,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:48,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:32:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:48,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:48,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:48,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:48,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:48,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:48,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:48,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:48,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:48,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:48,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:48,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:32:48,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:48,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:32:48,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:48,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:48,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:48,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:48,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:48,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:48,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:48,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:48,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:48,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:48,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:48,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:32:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:48,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 07:32:48,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:32:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:48,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:48,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:48,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:48,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:48,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:48,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:48,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:48,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:48,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:48,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:48,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 07:32:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:48,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:48,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:49,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:49,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 07:32:53,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:32:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:32:53,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-14 07:32:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:32:53,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:53,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:53,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:53,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:53,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:53,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:32:53,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:53,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:53,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:53,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:53,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:53,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:53,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:53,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:53,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:53,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:53,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:53,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:53,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:32:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:53,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:53,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 109 proven. 287 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2020-10-14 07:32:53,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657433728] [2020-10-14 07:32:53,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:53,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 07:32:53,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702528015] [2020-10-14 07:32:53,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 07:32:53,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:53,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 07:32:53,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:32:53,786 INFO L87 Difference]: Start difference. First operand 137 states and 206 transitions. Second operand 15 states. [2020-10-14 07:32:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:54,123 INFO L93 Difference]: Finished difference Result 277 states and 470 transitions. [2020-10-14 07:32:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:32:54,123 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 190 [2020-10-14 07:32:54,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:54,126 INFO L225 Difference]: With dead ends: 277 [2020-10-14 07:32:54,126 INFO L226 Difference]: Without dead ends: 154 [2020-10-14 07:32:54,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:32:54,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-14 07:32:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 147. [2020-10-14 07:32:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-14 07:32:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 212 transitions. [2020-10-14 07:32:54,143 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 212 transitions. Word has length 190 [2020-10-14 07:32:54,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:54,143 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 212 transitions. [2020-10-14 07:32:54,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 07:32:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 212 transitions. [2020-10-14 07:32:54,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 07:32:54,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:54,146 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:54,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 07:32:54,146 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:54,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:54,147 INFO L82 PathProgramCache]: Analyzing trace with hash -678687486, now seen corresponding path program 8 times [2020-10-14 07:32:54,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:54,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380756089] [2020-10-14 07:32:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:59,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-14 07:32:59,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:32:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:32:59,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:59,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:32:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-14 07:32:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:59,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:59,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:59,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:59,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:04,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-14 07:33:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:04,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:04,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:04,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:04,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:04,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:33:09,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:33:09,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:33:09,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:33:09,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 07:33:09,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:33:09,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:33:09,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:33:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:09,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:09,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:09,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:09,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:09,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:09,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:09,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:09,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:09,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:09,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:09,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:09,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:33:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:09,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:09,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:09,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:09,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:09,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:09,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:33:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:33:09,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:09,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:09,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:33:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:09,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:09,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:09,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:09,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:09,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:09,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:09,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:09,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:09,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:09,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:09,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 07:33:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:09,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:14,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:33:14,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:33:14,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 07:33:14,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:14,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:33:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 07:33:14,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:14,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:33:19,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 07:33:19,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:33:19,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:33:19,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:19,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:33:19,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:19,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:19,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:19,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:19,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:19,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:19,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:33:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:19,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:33:19,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 07:33:19,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:33:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:33:19,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:19,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:33:19,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:19,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:19,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:19,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:33:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:19,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:33:19,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:19,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:19,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:19,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:19,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:19,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:19,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:19,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:19,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:19,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:19,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 299 proven. 195 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2020-10-14 07:33:19,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380756089] [2020-10-14 07:33:19,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:19,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 07:33:19,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149277552] [2020-10-14 07:33:19,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 07:33:19,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:19,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 07:33:19,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-14 07:33:19,965 INFO L87 Difference]: Start difference. First operand 147 states and 212 transitions. Second operand 16 states. [2020-10-14 07:33:20,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:20,698 INFO L93 Difference]: Finished difference Result 492 states and 962 transitions. [2020-10-14 07:33:20,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 07:33:20,699 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 218 [2020-10-14 07:33:20,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:20,704 INFO L225 Difference]: With dead ends: 492 [2020-10-14 07:33:20,705 INFO L226 Difference]: Without dead ends: 270 [2020-10-14 07:33:20,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-10-14 07:33:20,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-14 07:33:20,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 240. [2020-10-14 07:33:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-14 07:33:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 381 transitions. [2020-10-14 07:33:20,730 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 381 transitions. Word has length 218 [2020-10-14 07:33:20,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:20,730 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 381 transitions. [2020-10-14 07:33:20,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 07:33:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 381 transitions. [2020-10-14 07:33:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-14 07:33:20,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:20,734 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 20, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:20,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 07:33:20,735 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:20,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:20,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1176938893, now seen corresponding path program 9 times [2020-10-14 07:33:20,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:20,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154782950] [2020-10-14 07:33:20,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:20,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:21,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:25,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:25,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 444 [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 07:33:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:25,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:25,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:25,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:25,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:25,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:25,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:25,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:25,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:25,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:25,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:25,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:26,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:26,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:26,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:26,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:26,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:26,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:26,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:30,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-10-14 07:33:30,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-14 07:33:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-14 07:33:30,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:30,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:33:30,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:30,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 322 [2020-10-14 07:33:30,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:30,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:30,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:35,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-14 07:33:35,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 07:33:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 07:33:35,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:35,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:33:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-14 07:33:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:36,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:36,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking...