/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/id_i25_o25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:21:41,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:21:41,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:21:41,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:21:41,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:21:41,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:21:41,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:21:41,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:21:41,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:21:41,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:21:41,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:21:41,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:21:41,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:21:41,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:21:41,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:21:41,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:21:41,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:21:41,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:21:41,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:21:41,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:21:41,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:21:41,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:21:41,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:21:41,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:21:41,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:21:41,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:21:41,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:21:41,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:21:41,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:21:41,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:21:41,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:21:41,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:21:41,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:21:41,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:21:41,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:21:41,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:21:41,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:21:41,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:21:41,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:21:41,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:21:41,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:21:41,888 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 [2020-09-21 11:21:41,915 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:21:41,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:21:41,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:21:41,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:21:41,917 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:21:41,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:21:41,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:21:41,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:21:41,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:21:41,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:21:41,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:21:41,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:21:41,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:21:41,919 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:21:41,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:21:41,920 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:21:41,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:21:41,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:21:41,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:21:41,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:21:41,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:21:41,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:21:41,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:21:41,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:21:41,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:21:41,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:21:41,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:21:41,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:21:41,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:21:41,922 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:21:42,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:21:42,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:21:42,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:21:42,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:21:42,459 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:21:42,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_i25_o25-2.c [2020-09-21 11:21:42,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/573756a18/579b1238fcbd4f24bcfc5d84cd105eca/FLAGd13dfb8ae [2020-09-21 11:21:43,119 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:21:43,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_i25_o25-2.c [2020-09-21 11:21:43,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/573756a18/579b1238fcbd4f24bcfc5d84cd105eca/FLAGd13dfb8ae [2020-09-21 11:21:43,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/573756a18/579b1238fcbd4f24bcfc5d84cd105eca [2020-09-21 11:21:43,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:21:43,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:21:43,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:21:43,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:21:43,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:21:43,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd8ad23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43, skipping insertion in model container [2020-09-21 11:21:43,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:21:43,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:21:43,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:21:43,735 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:21:43,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:21:43,773 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:21:43,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43 WrapperNode [2020-09-21 11:21:43,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:21:43,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:21:43,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:21:43,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:21:43,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (1/1) ... [2020-09-21 11:21:43,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:21:43,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:21:43,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:21:43,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:21:43,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (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 [2020-09-21 11:21:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:21:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:21:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-09-21 11:21:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:21:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:21:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:21:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-09-21 11:21:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:21:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:21:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:21:44,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:21:44,172 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:21:44,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:21:44 BoogieIcfgContainer [2020-09-21 11:21:44,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:21:44,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:21:44,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:21:44,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:21:44,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:21:43" (1/3) ... [2020-09-21 11:21:44,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e3b609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:21:44, skipping insertion in model container [2020-09-21 11:21:44,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:43" (2/3) ... [2020-09-21 11:21:44,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e3b609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:21:44, skipping insertion in model container [2020-09-21 11:21:44,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:21:44" (3/3) ... [2020-09-21 11:21:44,187 INFO L109 eAbstractionObserver]: Analyzing ICFG id_i25_o25-2.c [2020-09-21 11:21:44,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:21:44,209 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:21:44,232 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:21:44,263 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:21:44,263 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:21:44,263 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:21:44,263 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:21:44,264 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:21:44,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:21:44,264 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:21:44,264 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:21:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-09-21 11:21:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 11:21:44,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:44,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:44,292 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:44,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:44,298 INFO L82 PathProgramCache]: Analyzing trace with hash -872342019, now seen corresponding path program 1 times [2020-09-21 11:21:44,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:44,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509561441] [2020-09-21 11:21:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:44,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:44,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:44,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:44,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:44,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:21:44,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:44,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:21:44,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:44,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:44,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:44,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:44,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:44,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:44,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:44,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:44,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:44,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:44,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:44,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:44,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:44,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:44,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:44,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:44,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:21:44,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:44,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:21:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:21:44,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509561441] [2020-09-21 11:21:44,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:21:44,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:21:44,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882309428] [2020-09-21 11:21:44,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:21:44,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:44,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:21:44,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:21:44,670 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-09-21 11:21:44,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:44,770 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2020-09-21 11:21:44,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:21:44,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 11:21:44,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:44,785 INFO L225 Difference]: With dead ends: 30 [2020-09-21 11:21:44,786 INFO L226 Difference]: Without dead ends: 18 [2020-09-21 11:21:44,790 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 [2020-09-21 11:21:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-09-21 11:21:44,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-09-21 11:21:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-09-21 11:21:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-09-21 11:21:44,838 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2020-09-21 11:21:44,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:44,838 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-09-21 11:21:44,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:21:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-09-21 11:21:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-21 11:21:44,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:44,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:44,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:21:44,842 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:44,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:44,842 INFO L82 PathProgramCache]: Analyzing trace with hash -953570577, now seen corresponding path program 1 times [2020-09-21 11:21:44,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:44,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578365172] [2020-09-21 11:21:44,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:44,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:44,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:44,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:44,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:44,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:21:44,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:21:44,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:21:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:44,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:44,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:44,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:44,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:44,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:44,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:44,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:44,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:44,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:44,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:44,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:44,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:44,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:44,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:44,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:21:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:45,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:45,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:21:45,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:21:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:21:45,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578365172] [2020-09-21 11:21:45,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:45,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:21:45,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039372255] [2020-09-21 11:21:45,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:21:45,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:45,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:21:45,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:21:45,170 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2020-09-21 11:21:45,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:45,252 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-09-21 11:21:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:21:45,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-09-21 11:21:45,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:45,254 INFO L225 Difference]: With dead ends: 25 [2020-09-21 11:21:45,254 INFO L226 Difference]: Without dead ends: 21 [2020-09-21 11:21:45,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-09-21 11:21:45,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-09-21 11:21:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 11:21:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-09-21 11:21:45,263 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2020-09-21 11:21:45,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:45,263 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-09-21 11:21:45,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:21:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-09-21 11:21:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-21 11:21:45,265 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:45,265 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:45,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:21:45,265 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:45,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:45,266 INFO L82 PathProgramCache]: Analyzing trace with hash 397359997, now seen corresponding path program 2 times [2020-09-21 11:21:45,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:45,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089688410] [2020-09-21 11:21:45,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:21:45,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:21:45,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:21:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:45,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:45,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:45,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:45,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:45,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:21:45,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:45,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:21:45,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:45,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:45,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:45,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:45,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:45,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:21:45,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089688410] [2020-09-21 11:21:45,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:45,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:21:45,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672281931] [2020-09-21 11:21:45,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:21:45,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:45,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:21:45,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:45,519 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 8 states. [2020-09-21 11:21:45,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:45,599 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-09-21 11:21:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:21:45,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-09-21 11:21:45,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:45,601 INFO L225 Difference]: With dead ends: 28 [2020-09-21 11:21:45,601 INFO L226 Difference]: Without dead ends: 24 [2020-09-21 11:21:45,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:45,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-09-21 11:21:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-09-21 11:21:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-21 11:21:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-09-21 11:21:45,610 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 25 [2020-09-21 11:21:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:45,610 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-09-21 11:21:45,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:21:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-09-21 11:21:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-21 11:21:45,612 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:45,612 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:45,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:21:45,613 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:45,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:45,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1198310127, now seen corresponding path program 3 times [2020-09-21 11:21:45,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:45,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465319789] [2020-09-21 11:21:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:45,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:21:45,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:21:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:45,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:45,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:45,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:45,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:45,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:21:45,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:45,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:21:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:45,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:45,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:45,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:45,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:45,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:45,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:45,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:45,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:45,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:45,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:45,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:45,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 11:21:45,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465319789] [2020-09-21 11:21:45,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:45,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:21:45,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612474962] [2020-09-21 11:21:45,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:21:45,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:45,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:21:45,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:45,877 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 8 states. [2020-09-21 11:21:45,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:45,956 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-09-21 11:21:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:21:45,956 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-09-21 11:21:45,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:45,958 INFO L225 Difference]: With dead ends: 31 [2020-09-21 11:21:45,958 INFO L226 Difference]: Without dead ends: 27 [2020-09-21 11:21:45,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:21:45,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-09-21 11:21:45,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-09-21 11:21:45,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-09-21 11:21:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-09-21 11:21:45,966 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 31 [2020-09-21 11:21:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:45,967 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-09-21 11:21:45,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:21:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-09-21 11:21:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 11:21:45,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:45,969 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:45,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:21:45,969 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:45,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1080764669, now seen corresponding path program 4 times [2020-09-21 11:21:45,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:45,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584499930] [2020-09-21 11:21:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 11:21:46,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:21:46,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:46,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:21:46,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:46,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:46,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:46,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:21:46,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-21 11:21:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:46,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:21:46,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:46,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:46,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:46,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:46,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:46,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:46,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:21:46,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584499930] [2020-09-21 11:21:46,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:46,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:21:46,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068867522] [2020-09-21 11:21:46,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:21:46,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:46,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:21:46,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:46,328 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 11 states. [2020-09-21 11:21:46,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:46,456 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-09-21 11:21:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:21:46,457 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2020-09-21 11:21:46,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:46,459 INFO L225 Difference]: With dead ends: 34 [2020-09-21 11:21:46,459 INFO L226 Difference]: Without dead ends: 30 [2020-09-21 11:21:46,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:21:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-21 11:21:46,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-21 11:21:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:21:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-09-21 11:21:46,480 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 37 [2020-09-21 11:21:46,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:46,480 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-09-21 11:21:46,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:21:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-09-21 11:21:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-21 11:21:46,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:46,488 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:46,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:21:46,488 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:46,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1752970513, now seen corresponding path program 5 times [2020-09-21 11:21:46,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:46,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080926697] [2020-09-21 11:21:46,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:21:46,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:21:46,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:21:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:46,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:46,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:46,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:46,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:46,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:46,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:46,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:21:46,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:21:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:21:46,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:46,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:21:46,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:46,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:21:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:46,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:46,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:46,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:46,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:46,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:46,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:46,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:46,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:46,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-21 11:21:46,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080926697] [2020-09-21 11:21:46,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:46,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:21:46,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348522489] [2020-09-21 11:21:46,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:21:46,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:46,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:21:46,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:46,964 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 11 states. [2020-09-21 11:21:47,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:47,121 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-09-21 11:21:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:21:47,121 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-09-21 11:21:47,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:47,125 INFO L225 Difference]: With dead ends: 37 [2020-09-21 11:21:47,125 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 11:21:47,126 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:21:47,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 11:21:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-09-21 11:21:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 11:21:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-09-21 11:21:47,138 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 43 [2020-09-21 11:21:47,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:47,140 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-09-21 11:21:47,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:21:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-09-21 11:21:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-21 11:21:47,143 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:47,143 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:47,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:21:47,143 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:47,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1590630787, now seen corresponding path program 6 times [2020-09-21 11:21:47,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:47,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873752199] [2020-09-21 11:21:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:21:47,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:21:47,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:21:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:21:47,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:47,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:47,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:47,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:47,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:47,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:47,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:47,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:47,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:21:47,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:21:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:21:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:47,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:21:47,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:47,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:47,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:47,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:21:47,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:47,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:47,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:47,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:47,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:47,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:21:47,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:47,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:47,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:47,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:47,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:47,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:47,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:47,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:47,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:47,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 10 proven. 58 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-21 11:21:47,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873752199] [2020-09-21 11:21:47,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:47,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:21:47,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616949789] [2020-09-21 11:21:47,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:21:47,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:47,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:21:47,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:21:47,717 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 12 states. [2020-09-21 11:21:47,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:47,852 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-09-21 11:21:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:21:47,854 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2020-09-21 11:21:47,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:47,857 INFO L225 Difference]: With dead ends: 40 [2020-09-21 11:21:47,857 INFO L226 Difference]: Without dead ends: 36 [2020-09-21 11:21:47,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:21:47,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-09-21 11:21:47,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-09-21 11:21:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-09-21 11:21:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-09-21 11:21:47,879 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 49 [2020-09-21 11:21:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:47,879 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-09-21 11:21:47,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:21:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-09-21 11:21:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:21:47,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:47,885 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:47,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:21:47,886 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:47,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:47,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1532150511, now seen corresponding path program 7 times [2020-09-21 11:21:47,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:47,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057686683] [2020-09-21 11:21:47,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:47,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:47,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:47,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:47,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:47,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:21:47,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:47,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 11:21:47,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-21 11:21:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 11:21:47,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:48,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:48,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:48,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:48,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:21:48,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-21 11:21:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:21:48,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:48,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 11:21:48,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:48,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:21:48,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:48,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:48,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:21:48,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:48,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:48,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:21:48,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:48,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:48,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:48,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:48,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:48,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:48,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:48,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:48,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 16 proven. 89 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-09-21 11:21:48,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057686683] [2020-09-21 11:21:48,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:48,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:21:48,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169465815] [2020-09-21 11:21:48,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:21:48,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:48,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:21:48,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:21:48,670 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 13 states. [2020-09-21 11:21:48,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:48,883 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-09-21 11:21:48,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:21:48,884 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2020-09-21 11:21:48,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:48,885 INFO L225 Difference]: With dead ends: 43 [2020-09-21 11:21:48,885 INFO L226 Difference]: Without dead ends: 39 [2020-09-21 11:21:48,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:21:48,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-09-21 11:21:48,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-09-21 11:21:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 11:21:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-09-21 11:21:48,901 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 55 [2020-09-21 11:21:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:48,903 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-09-21 11:21:48,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:21:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-09-21 11:21:48,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:21:48,905 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:48,906 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:48,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:21:48,909 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:48,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:48,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1140618237, now seen corresponding path program 8 times [2020-09-21 11:21:48,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:48,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721539723] [2020-09-21 11:21:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:48,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:48,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:21:48,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:48,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:21:48,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-21 11:21:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:21:48,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:48,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:48,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:48,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:48,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:49,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:49,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:49,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:49,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:21:49,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-21 11:21:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:21:49,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:49,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:21:49,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:49,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:49,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:21:49,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:49,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:49,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:21:49,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:49,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:49,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:21:49,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:49,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:49,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:49,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:49,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:49,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:49,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:49,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:49,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:49,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:49,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:49,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:49,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 24 proven. 113 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-21 11:21:49,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721539723] [2020-09-21 11:21:49,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:49,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:21:49,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884685878] [2020-09-21 11:21:49,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:21:49,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:49,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:21:49,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:21:49,633 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 15 states. [2020-09-21 11:21:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:49,817 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-09-21 11:21:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:21:49,818 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2020-09-21 11:21:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:49,820 INFO L225 Difference]: With dead ends: 46 [2020-09-21 11:21:49,820 INFO L226 Difference]: Without dead ends: 42 [2020-09-21 11:21:49,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=361, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:21:49,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-21 11:21:49,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-21 11:21:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-21 11:21:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-09-21 11:21:49,828 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 61 [2020-09-21 11:21:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:49,829 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-09-21 11:21:49,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:21:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-09-21 11:21:49,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 11:21:49,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:49,831 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:49,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:21:49,832 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:49,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:49,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1749177617, now seen corresponding path program 9 times [2020-09-21 11:21:49,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:49,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49735185] [2020-09-21 11:21:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:21:49,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-21 11:21:49,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-21 11:21:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:21:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:49,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:49,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:49,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:49,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:49,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:49,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:49,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:49,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:49,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:50,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:21:50,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-21 11:21:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:50,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:21:50,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:21:50,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:50,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:21:50,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:50,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:21:50,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:50,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:50,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:21:50,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:50,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:50,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:21:50,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:50,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:50,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:50,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:50,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:50,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:50,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:50,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:50,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:50,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:50,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:50,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:50,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 40 proven. 131 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-09-21 11:21:50,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49735185] [2020-09-21 11:21:50,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:50,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:21:50,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876928414] [2020-09-21 11:21:50,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:21:50,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:50,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:21:50,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:21:50,664 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 15 states. [2020-09-21 11:21:50,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:50,817 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-21 11:21:50,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:21:50,817 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 67 [2020-09-21 11:21:50,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:50,819 INFO L225 Difference]: With dead ends: 49 [2020-09-21 11:21:50,819 INFO L226 Difference]: Without dead ends: 45 [2020-09-21 11:21:50,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:21:50,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-21 11:21:50,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-09-21 11:21:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-21 11:21:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-09-21 11:21:50,826 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 67 [2020-09-21 11:21:50,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:50,827 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-09-21 11:21:50,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:21:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-09-21 11:21:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-09-21 11:21:50,840 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:50,841 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:50,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:21:50,841 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:50,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:50,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1580609155, now seen corresponding path program 10 times [2020-09-21 11:21:50,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:50,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873086270] [2020-09-21 11:21:50,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:21:50,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:21:50,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:21:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:21:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:50,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:50,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:50,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:50,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:50,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:50,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:50,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:50,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:21:51,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 11:21:51,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:21:51,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:51,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:21:51,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:51,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:51,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-21 11:21:51,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:21:51,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:21:51,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:51,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:51,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:21:51,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:21:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:51,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:51,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:51,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:21:51,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:51,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:51,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:21:51,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:51,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:51,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:21:51,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:51,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:51,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:51,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:21:51,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:51,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:51,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:51,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:51,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:51,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:51,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:51,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:51,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:51,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:51,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:51,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:51,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:51,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:51,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 32 proven. 168 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-09-21 11:21:51,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873086270] [2020-09-21 11:21:51,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:51,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-21 11:21:51,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486380648] [2020-09-21 11:21:51,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-21 11:21:51,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:51,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-21 11:21:51,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:21:51,785 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 16 states. [2020-09-21 11:21:51,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:51,982 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-09-21 11:21:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:21:51,983 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 73 [2020-09-21 11:21:51,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:51,984 INFO L225 Difference]: With dead ends: 52 [2020-09-21 11:21:51,984 INFO L226 Difference]: Without dead ends: 48 [2020-09-21 11:21:51,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=452, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:21:51,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-09-21 11:21:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-09-21 11:21:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-21 11:21:51,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-09-21 11:21:51,991 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 73 [2020-09-21 11:21:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:51,992 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-09-21 11:21:51,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-21 11:21:51,992 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-09-21 11:21:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-21 11:21:51,993 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:51,993 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:51,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:21:51,994 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:51,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash -223837457, now seen corresponding path program 11 times [2020-09-21 11:21:51,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:51,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834921479] [2020-09-21 11:21:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-21 11:21:52,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-21 11:21:52,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-21 11:21:52,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:52,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:21:52,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:52,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:52,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:21:52,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-21 11:21:52,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-21 11:21:52,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:52,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:21:52,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:21:52,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-21 11:21:52,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:21:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:21:52,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:52,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:21:52,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:21:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:21:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:52,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:21:52,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:21:52,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:52,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:52,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:21:52,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:52,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:52,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:52,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:21:52,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:52,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:52,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:21:52,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:52,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:21:52,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:52,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:52,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:52,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:52,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:52,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:52,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:52,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:52,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:52,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:52,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:52,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:52,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:52,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:52,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:52,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:53,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:53,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:53,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:53,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:53,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 18 proven. 220 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-09-21 11:21:53,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834921479] [2020-09-21 11:21:53,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:53,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:21:53,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926161511] [2020-09-21 11:21:53,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:21:53,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:53,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:21:53,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:21:53,134 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 17 states. [2020-09-21 11:21:53,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:53,312 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-09-21 11:21:53,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:21:53,313 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 79 [2020-09-21 11:21:53,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:53,314 INFO L225 Difference]: With dead ends: 55 [2020-09-21 11:21:53,314 INFO L226 Difference]: Without dead ends: 51 [2020-09-21 11:21:53,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:21:53,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-21 11:21:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-09-21 11:21:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-09-21 11:21:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-09-21 11:21:53,322 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 79 [2020-09-21 11:21:53,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:53,323 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-09-21 11:21:53,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-21 11:21:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-09-21 11:21:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-21 11:21:53,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:53,325 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:53,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:21:53,325 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:53,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:53,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1653931773, now seen corresponding path program 12 times [2020-09-21 11:21:53,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:53,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095797104] [2020-09-21 11:21:53,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:21:53,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 11:21:53,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-21 11:21:53,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:53,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:21:53,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:53,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:53,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:53,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:53,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:21:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-21 11:21:53,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-21 11:21:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 11:21:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:21:53,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-21 11:21:53,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:21:53,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:53,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:21:53,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:53,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:21:53,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-21 11:21:53,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:21:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:21:53,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:53,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:53,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:53,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:53,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:53,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:53,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:53,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:53,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:21:53,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:53,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:21:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:21:53,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:54,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:21:54,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:21:54,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:54,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:54,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:21:54,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:54,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:54,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:54,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:21:54,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:54,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:54,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:54,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:54,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:21:54,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:54,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:54,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:21:54,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:54,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:54,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:54,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:54,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:21:54,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:54,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:54,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:54,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:54,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:54,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:54,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:54,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:54,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:54,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:54,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:54,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:54,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:54,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:54,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:54,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:54,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:54,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 4 proven. 260 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-09-21 11:21:54,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095797104] [2020-09-21 11:21:54,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:54,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 11:21:54,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664676237] [2020-09-21 11:21:54,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 11:21:54,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:54,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 11:21:54,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:21:54,641 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 18 states. [2020-09-21 11:21:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:54,896 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-09-21 11:21:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:21:54,897 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 85 [2020-09-21 11:21:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:54,898 INFO L225 Difference]: With dead ends: 58 [2020-09-21 11:21:54,899 INFO L226 Difference]: Without dead ends: 54 [2020-09-21 11:21:54,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=597, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:21:54,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-21 11:21:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-09-21 11:21:54,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 11:21:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-09-21 11:21:54,913 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 85 [2020-09-21 11:21:54,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:54,914 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-09-21 11:21:54,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 11:21:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-09-21 11:21:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:21:54,917 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:54,917 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:54,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:21:54,917 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:54,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:54,918 INFO L82 PathProgramCache]: Analyzing trace with hash -218674449, now seen corresponding path program 13 times [2020-09-21 11:21:54,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:54,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706023407] [2020-09-21 11:21:54,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-21 11:21:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-21 11:21:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-21 11:21:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:55,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:55,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:21:55,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-21 11:21:55,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-21 11:21:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:21:55,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:21:55,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 11:21:55,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:21:55,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:55,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:21:55,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:21:55,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-21 11:21:55,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:21:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:21:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:21:55,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-21 11:21:55,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:21:55,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:55,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:21:55,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:55,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 11:21:55,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:21:55,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:55,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:21:55,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:55,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:21:55,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:21:55,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:55,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:55,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:55,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:55,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:55,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:55,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:55,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:55,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:55,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:21:55,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:56,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:21:56,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:56,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:56,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:21:56,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:56,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:56,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:56,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:21:56,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:56,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:56,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:56,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:56,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:56,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:56,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:56,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:56,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:56,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:56,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:56,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:56,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:56,398 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 28 proven. 325 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-09-21 11:21:56,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706023407] [2020-09-21 11:21:56,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:56,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-21 11:21:56,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606330519] [2020-09-21 11:21:56,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-21 11:21:56,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:56,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-21 11:21:56,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:21:56,401 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 20 states. [2020-09-21 11:21:56,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:56,620 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-09-21 11:21:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:21:56,620 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 91 [2020-09-21 11:21:56,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:56,622 INFO L225 Difference]: With dead ends: 61 [2020-09-21 11:21:56,622 INFO L226 Difference]: Without dead ends: 57 [2020-09-21 11:21:56,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=396, Invalid=726, Unknown=0, NotChecked=0, Total=1122 [2020-09-21 11:21:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-09-21 11:21:56,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-09-21 11:21:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-09-21 11:21:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-09-21 11:21:56,629 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 91 [2020-09-21 11:21:56,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:56,629 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-09-21 11:21:56,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-21 11:21:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-09-21 11:21:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:21:56,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:56,631 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:56,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:21:56,631 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:56,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:56,632 INFO L82 PathProgramCache]: Analyzing trace with hash 492436605, now seen corresponding path program 14 times [2020-09-21 11:21:56,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:56,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416685086] [2020-09-21 11:21:56,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:56,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-21 11:21:56,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-21 11:21:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:21:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:56,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:56,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:56,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:56,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:56,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:56,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:56,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:56,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:56,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:21:56,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-21 11:21:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-21 11:21:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-21 11:21:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:57,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:21:57,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 11:21:57,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:21:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:21:57,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:57,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:21:57,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-21 11:21:57,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:21:57,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:21:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:57,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:21:57,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 11:21:57,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:21:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:21:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:57,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:21:57,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 11:21:57,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:21:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:21:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:57,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:21:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:21:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:21:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:57,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:21:57,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:21:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:57,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:57,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:21:57,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:57,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:57,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:57,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:57,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:57,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:57,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:57,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:57,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:57,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:21:57,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:21:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:57,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:21:58,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:21:58,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:21:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:21:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:58,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:21:58,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:58,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:21:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:21:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:58,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:21:58,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:21:58,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:58,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:58,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:58,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:58,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:21:58,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:58,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:58,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:58,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:58,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:21:58,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:58,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:21:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:58,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:58,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:58,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:58,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 69 proven. 349 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-09-21 11:21:58,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416685086] [2020-09-21 11:21:58,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:58,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-21 11:21:58,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321980892] [2020-09-21 11:21:58,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-21 11:21:58,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:58,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-21 11:21:58,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:21:58,321 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 21 states. [2020-09-21 11:21:58,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:58,575 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-09-21 11:21:58,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 11:21:58,575 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 97 [2020-09-21 11:21:58,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:58,576 INFO L225 Difference]: With dead ends: 64 [2020-09-21 11:21:58,577 INFO L226 Difference]: Without dead ends: 60 [2020-09-21 11:21:58,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=446, Invalid=814, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:21:58,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-21 11:21:58,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-09-21 11:21:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-21 11:21:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-09-21 11:21:58,584 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 97 [2020-09-21 11:21:58,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:58,585 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-09-21 11:21:58,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-21 11:21:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-09-21 11:21:58,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:21:58,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:58,587 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:58,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 11:21:58,587 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:58,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:58,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1083048687, now seen corresponding path program 15 times [2020-09-21 11:21:58,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:58,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324604208] [2020-09-21 11:21:58,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-21 11:21:58,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-21 11:21:58,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-21 11:21:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:58,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:21:58,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:58,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:58,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:58,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:58,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:58,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:58,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:58,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:58,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:21:58,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-21 11:21:58,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-21 11:21:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:21:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:59,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:21:59,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-21 11:21:59,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:21:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:21:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:59,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:21:59,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-21 11:21:59,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:21:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:21:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:59,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:21:59,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 11:21:59,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:21:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:21:59,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:59,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:21:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-21 11:21:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:21:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:21:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:59,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:21:59,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 11:21:59,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:21:59,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:21:59,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:59,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:59,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:21:59,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:21:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:21:59,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:59,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:21:59,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:21:59,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:21:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:21:59,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:21:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:59,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:59,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:59,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:59,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:59,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:21:59,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:59,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:21:59,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:59,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:00,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:00,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:00,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:00,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:00,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:00,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:22:00,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:00,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:00,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:00,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:00,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:00,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:22:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:00,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:00,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:00,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:00,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:00,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:00,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:00,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:00,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:00,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:00,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:00,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:00,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:00,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:22:00,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:00,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:00,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:00,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:00,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:00,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:00,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:00,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:00,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:00,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:00,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:00,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:00,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:00,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:00,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:00,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:00,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:00,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:00,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:00,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:00,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:00,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 23 proven. 421 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-09-21 11:22:00,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324604208] [2020-09-21 11:22:00,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:00,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-21 11:22:00,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089788124] [2020-09-21 11:22:00,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-21 11:22:00,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:00,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-21 11:22:00,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=260, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:22:00,499 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 21 states. [2020-09-21 11:22:00,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:00,822 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-09-21 11:22:00,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-21 11:22:00,823 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 103 [2020-09-21 11:22:00,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:00,824 INFO L225 Difference]: With dead ends: 67 [2020-09-21 11:22:00,824 INFO L226 Difference]: Without dead ends: 63 [2020-09-21 11:22:00,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=480, Invalid=852, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:22:00,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-09-21 11:22:00,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-09-21 11:22:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-09-21 11:22:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-09-21 11:22:00,832 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 103 [2020-09-21 11:22:00,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:00,832 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-09-21 11:22:00,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-21 11:22:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-09-21 11:22:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:22:00,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:00,834 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:00,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-21 11:22:00,834 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:00,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:00,834 INFO L82 PathProgramCache]: Analyzing trace with hash 404015613, now seen corresponding path program 16 times [2020-09-21 11:22:00,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:00,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370782015] [2020-09-21 11:22:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:01,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:01,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:01,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:01,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:01,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:22:01,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-21 11:22:01,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-21 11:22:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:22:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:01,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:01,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:01,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:01,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:01,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:01,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:01,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:01,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:01,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:01,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:01,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:01,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:01,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:01,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:01,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:01,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-21 11:22:01,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:01,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-21 11:22:01,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:01,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-21 11:22:01,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:01,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:01,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:01,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:01,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:01,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:01,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:01,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-21 11:22:01,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:01,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:01,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:01,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:01,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:01,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:01,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:01,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:01,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:01,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:01,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:01,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:01,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-21 11:22:01,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:01,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:01,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:01,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:01,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:01,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:01,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:01,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:01,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-21 11:22:01,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:01,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:02,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-21 11:22:02,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:02,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-21 11:22:02,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:02,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 11:22:02,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:02,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:22:02,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:02,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:22:02,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:02,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:22:02,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:02,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:02,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:22:02,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:02,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:22:02,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:02,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:22:02,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:02,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:02,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:02,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:22:02,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:02,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:02,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:02,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:02,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:02,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:02,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:02,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:02,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:02,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:02,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:02,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:02,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:02,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:02,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:02,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:02,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:02,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:02,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 43 proven. 508 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-09-21 11:22:03,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370782015] [2020-09-21 11:22:03,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:03,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-21 11:22:03,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958968057] [2020-09-21 11:22:03,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-21 11:22:03,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:03,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-21 11:22:03,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=364, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:22:03,046 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 24 states. [2020-09-21 11:22:03,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:03,363 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-09-21 11:22:03,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:22:03,365 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 109 [2020-09-21 11:22:03,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:03,366 INFO L225 Difference]: With dead ends: 70 [2020-09-21 11:22:03,366 INFO L226 Difference]: Without dead ends: 66 [2020-09-21 11:22:03,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=579, Invalid=1061, Unknown=0, NotChecked=0, Total=1640 [2020-09-21 11:22:03,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-21 11:22:03,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-09-21 11:22:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-21 11:22:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-09-21 11:22:03,380 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 109 [2020-09-21 11:22:03,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:03,381 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-09-21 11:22:03,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-21 11:22:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-09-21 11:22:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-09-21 11:22:03,382 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:03,382 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:03,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-21 11:22:03,383 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:03,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:03,383 INFO L82 PathProgramCache]: Analyzing trace with hash -464475409, now seen corresponding path program 17 times [2020-09-21 11:22:03,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:03,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410469539] [2020-09-21 11:22:03,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:03,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:03,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:03,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:03,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:03,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:22:03,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:03,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-21 11:22:03,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-21 11:22:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 11:22:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:03,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:03,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:03,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:03,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:03,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:03,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:03,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:03,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:03,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:03,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:03,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:03,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:03,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:03,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:03,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:03,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-21 11:22:03,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-21 11:22:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-09-21 11:22:03,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:03,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:04,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:04,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:04,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:04,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:04,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:04,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-21 11:22:04,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:04,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:04,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:04,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:04,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:04,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:04,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:04,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:04,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:04,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:04,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-21 11:22:04,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:04,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:04,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:04,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:04,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:04,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:04,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:04,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:04,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:04,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 11:22:04,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:04,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:04,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:04,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:04,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:04,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:04,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:04,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-21 11:22:04,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:04,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:04,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:04,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:04,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:04,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:04,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:04,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 11:22:04,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:04,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:04,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:04,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:04,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:04,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:04,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:04,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:04,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:22:04,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:04,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:04,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:04,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:04,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:04,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:04,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:04,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:04,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:22:04,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:04,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:04,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:04,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:04,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:04,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:05,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 11:22:05,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:05,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:22:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:05,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:05,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 54 [2020-09-21 11:22:05,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:05,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:22:05,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:05,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:05,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:22:05,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:05,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:05,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:05,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:05,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:05,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:22:05,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:05,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:22:05,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:05,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:05,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:05,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:05,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:05,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:05,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:05,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:05,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:05,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:05,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:05,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:05,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:05,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:05,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:05,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:05,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 54 proven. 541 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-09-21 11:22:05,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410469539] [2020-09-21 11:22:05,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:05,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 11:22:05,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581388622] [2020-09-21 11:22:05,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 11:22:05,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:05,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 11:22:05,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:22:05,699 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 23 states. [2020-09-21 11:22:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:06,018 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-09-21 11:22:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:22:06,019 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 115 [2020-09-21 11:22:06,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:06,020 INFO L225 Difference]: With dead ends: 73 [2020-09-21 11:22:06,020 INFO L226 Difference]: Without dead ends: 69 [2020-09-21 11:22:06,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=593, Invalid=1047, Unknown=0, NotChecked=0, Total=1640 [2020-09-21 11:22:06,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-09-21 11:22:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-09-21 11:22:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-09-21 11:22:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-09-21 11:22:06,029 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 115 [2020-09-21 11:22:06,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:06,030 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-09-21 11:22:06,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 11:22:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-09-21 11:22:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-21 11:22:06,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:06,032 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:06,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-21 11:22:06,033 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:06,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:06,033 INFO L82 PathProgramCache]: Analyzing trace with hash 130115453, now seen corresponding path program 18 times [2020-09-21 11:22:06,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:06,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161022818] [2020-09-21 11:22:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:06,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:06,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:06,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:06,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:06,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 11:22:06,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:06,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-21 11:22:06,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:06,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-21 11:22:06,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:06,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:22:06,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:06,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:06,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:06,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:06,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:06,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:06,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:06,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:06,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:06,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:06,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:06,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:06,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:06,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-21 11:22:06,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-21 11:22:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-21 11:22:06,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:06,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:06,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:06,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:06,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:06,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:06,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:06,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-21 11:22:06,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:06,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:06,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:06,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:06,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:06,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:06,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:06,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:06,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-21 11:22:06,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:06,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:06,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:07,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:07,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:07,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:07,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:07,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:07,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:07,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-21 11:22:07,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:07,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:07,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:07,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:07,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:07,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:07,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-21 11:22:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:07,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:07,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:07,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:07,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:07,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:07,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:07,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:07,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-21 11:22:07,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:07,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:07,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:07,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:07,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:07,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:07,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:07,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:07,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-21 11:22:07,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:07,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:07,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:07,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:07,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:07,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:07,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:07,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:07,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:22:07,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:07,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:07,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:07,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:07,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:07,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:07,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:07,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:07,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:07,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 11:22:07,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:07,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:07,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:07,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:07,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:07,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:07,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:22:07,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:07,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:08,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:22:08,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:08,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:22:08,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:08,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:08,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:22:08,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:08,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:08,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:08,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:22:08,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:08,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:08,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:08,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:22:08,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:08,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:08,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:08,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:08,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:08,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:08,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:08,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:08,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:08,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:08,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:08,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:08,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:08,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:08,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:08,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:08,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:08,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:08,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:08,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 120 proven. 525 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-09-21 11:22:08,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161022818] [2020-09-21 11:22:08,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:08,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-21 11:22:08,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950509009] [2020-09-21 11:22:08,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-21 11:22:08,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:08,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-21 11:22:08,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:22:08,720 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 24 states. [2020-09-21 11:22:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:09,012 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-09-21 11:22:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:22:09,012 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 121 [2020-09-21 11:22:09,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:09,013 INFO L225 Difference]: With dead ends: 76 [2020-09-21 11:22:09,014 INFO L226 Difference]: Without dead ends: 72 [2020-09-21 11:22:09,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=654, Invalid=1152, Unknown=0, NotChecked=0, Total=1806 [2020-09-21 11:22:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-21 11:22:09,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-21 11:22:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:22:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-09-21 11:22:09,020 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 121 [2020-09-21 11:22:09,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:09,020 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-09-21 11:22:09,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-21 11:22:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-09-21 11:22:09,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-21 11:22:09,021 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:09,021 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:09,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-21 11:22:09,022 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:09,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:09,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2010955025, now seen corresponding path program 19 times [2020-09-21 11:22:09,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:09,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603968923] [2020-09-21 11:22:09,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:09,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:09,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:09,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:09,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:09,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-21 11:22:09,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:09,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-21 11:22:09,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-21 11:22:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:22:09,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:09,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:09,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:09,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:09,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:09,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:09,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:09,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:09,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:09,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:09,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:09,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:09,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:09,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:09,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:09,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:09,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:09,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:09,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-21 11:22:09,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:09,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-21 11:22:09,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-21 11:22:09,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:09,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:09,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:09,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:09,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:09,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:09,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:09,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-21 11:22:09,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:09,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:09,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:09,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:09,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:09,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:09,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:09,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:09,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:09,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-09-21 11:22:09,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:09,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:10,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:10,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:10,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-21 11:22:10,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:10,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:10,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:10,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:10,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:10,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:10,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-21 11:22:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:10,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:10,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:10,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:10,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:10,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:10,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:10,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 11:22:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:10,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:10,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:10,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:10,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:10,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:10,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:10,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:10,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-21 11:22:10,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:10,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:10,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:10,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:10,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:10,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:10,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:10,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:10,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 11:22:10,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:10,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:10,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:10,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:10,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:10,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:10,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:10,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:22:10,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:10,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:10,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:10,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:10,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:10,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:10,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:10,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:22:10,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:10,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:10,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:11,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:22:11,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:11,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:11,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:22:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:11,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:11,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:22:11,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:11,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:11,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:11,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:11,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:11,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:11,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:22:11,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:11,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:11,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:11,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:22:11,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:11,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:11,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:11,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:11,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:11,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:11,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:11,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:11,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:11,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:11,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:11,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:11,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:11,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:11,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:11,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:11,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:11,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:11,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:11,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:11,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 104 proven. 637 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2020-09-21 11:22:11,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603968923] [2020-09-21 11:22:11,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:11,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-21 11:22:11,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574370610] [2020-09-21 11:22:11,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-21 11:22:11,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:11,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-21 11:22:11,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:22:11,635 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 25 states. [2020-09-21 11:22:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:12,020 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-09-21 11:22:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:22:12,021 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 127 [2020-09-21 11:22:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:12,023 INFO L225 Difference]: With dead ends: 79 [2020-09-21 11:22:12,023 INFO L226 Difference]: Without dead ends: 75 [2020-09-21 11:22:12,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=718, Invalid=1262, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:22:12,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-21 11:22:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-09-21 11:22:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-21 11:22:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-09-21 11:22:12,029 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 127 [2020-09-21 11:22:12,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:12,029 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-09-21 11:22:12,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-21 11:22:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-09-21 11:22:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-21 11:22:12,030 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:12,031 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:12,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-21 11:22:12,031 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:12,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:12,032 INFO L82 PathProgramCache]: Analyzing trace with hash -799288067, now seen corresponding path program 20 times [2020-09-21 11:22:12,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:12,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289977792] [2020-09-21 11:22:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:12,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:12,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-21 11:22:12,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-21 11:22:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:12,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:12,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:12,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:12,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:12,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:12,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:12,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:12,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:12,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:12,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:12,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:12,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:12,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:12,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:12,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:22:12,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:12,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-21 11:22:12,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-21 11:22:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-21 11:22:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:12,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:12,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:12,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:22:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:12,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:12,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:12,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:12,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:12,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:12,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:12,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-21 11:22:12,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:12,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:13,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:13,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:13,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:13,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:13,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:13,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:13,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-21 11:22:13,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:13,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:13,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:13,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:13,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:13,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:13,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:13,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:13,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-21 11:22:13,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:13,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:13,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:13,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:13,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:13,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:13,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 11:22:13,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:13,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:13,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:13,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:13,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:13,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:13,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:13,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:13,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-21 11:22:13,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:13,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:13,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:13,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:13,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:13,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:13,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:13,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-21 11:22:13,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:13,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:13,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:13,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:13,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:13,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:13,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:13,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:13,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:22:13,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:13,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:13,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:14,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:22:14,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:14,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:14,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:22:14,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:14,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:22:14,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:14,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:14,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:22:14,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:14,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:22:14,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:14,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:22:14,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:14,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:14,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:14,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:14,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:14,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:14,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:14,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:14,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:14,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:14,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:14,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:14,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:14,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:14,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:14,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:14,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:14,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:14,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:14,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:14,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:14,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:14,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:14,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:14,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 99 proven. 740 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-09-21 11:22:14,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289977792] [2020-09-21 11:22:14,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:14,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-21 11:22:14,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92058357] [2020-09-21 11:22:14,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-21 11:22:14,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:14,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-21 11:22:14,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=439, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:22:14,932 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 27 states. [2020-09-21 11:22:15,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:15,357 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-09-21 11:22:15,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:22:15,358 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 133 [2020-09-21 11:22:15,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:15,359 INFO L225 Difference]: With dead ends: 82 [2020-09-21 11:22:15,359 INFO L226 Difference]: Without dead ends: 78 [2020-09-21 11:22:15,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=809, Invalid=1447, Unknown=0, NotChecked=0, Total=2256 [2020-09-21 11:22:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-21 11:22:15,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-09-21 11:22:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-09-21 11:22:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-09-21 11:22:15,365 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 133 [2020-09-21 11:22:15,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:15,365 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-09-21 11:22:15,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-21 11:22:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-09-21 11:22:15,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-09-21 11:22:15,366 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:15,366 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:15,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-21 11:22:15,367 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:15,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:15,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1226192145, now seen corresponding path program 21 times [2020-09-21 11:22:15,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:15,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343562521] [2020-09-21 11:22:15,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:15,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:15,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:15,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:15,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:15,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-21 11:22:15,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:15,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-21 11:22:15,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-21 11:22:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:15,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:15,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:15,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:15,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:15,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:15,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:15,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:15,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:15,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:15,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:15,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:15,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:15,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:15,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:15,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:22:15,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-21 11:22:15,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-21 11:22:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-21 11:22:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:16,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:16,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-21 11:22:16,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:22:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:22:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:16,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:16,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:16,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-21 11:22:16,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:16,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:16,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:16,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 11:22:16,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:16,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:16,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:17,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 11:22:17,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:17,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 11:22:17,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:17,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:17,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:22:17,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:17,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:17,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:22:17,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:17,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:22:17,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:17,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:22:17,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:17,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:17,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:17,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:22:17,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:17,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:17,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:17,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:22:17,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:18,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:18,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:18,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:18,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:18,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:22:18,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:18,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:18,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:18,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:22:18,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:18,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:22:18,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:18,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:18,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:18,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:18,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:18,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:18,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:18,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:18,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:18,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:18,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 74 proven. 814 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2020-09-21 11:22:18,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343562521] [2020-09-21 11:22:18,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:18,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-21 11:22:18,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210106624] [2020-09-21 11:22:18,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-21 11:22:18,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:18,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-21 11:22:18,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=419, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:22:18,510 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 27 states. [2020-09-21 11:22:18,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:18,943 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-09-21 11:22:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 11:22:18,944 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 139 [2020-09-21 11:22:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:18,946 INFO L225 Difference]: With dead ends: 85 [2020-09-21 11:22:18,946 INFO L226 Difference]: Without dead ends: 81 [2020-09-21 11:22:18,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=855, Invalid=1497, Unknown=0, NotChecked=0, Total=2352 [2020-09-21 11:22:18,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-09-21 11:22:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-09-21 11:22:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 11:22:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-09-21 11:22:18,952 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 139 [2020-09-21 11:22:18,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:18,952 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-09-21 11:22:18,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-21 11:22:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-09-21 11:22:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 11:22:18,953 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:18,954 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:18,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-21 11:22:18,954 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:18,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1155535485, now seen corresponding path program 22 times [2020-09-21 11:22:18,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:18,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057461514] [2020-09-21 11:22:18,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-21 11:22:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-09-21 11:22:19,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-21 11:22:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-21 11:22:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:19,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:19,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:19,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:22:19,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-21 11:22:19,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-21 11:22:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-21 11:22:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:22:19,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-21 11:22:19,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-21 11:22:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-09-21 11:22:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:22:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:20,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-09-21 11:22:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:22:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:22:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:20,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-21 11:22:20,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:20,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-09-21 11:22:20,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:20,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:20,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 11:22:20,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:21,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-21 11:22:21,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:21,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 11:22:21,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:21,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:21,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:21,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 11:22:21,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:21,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:21,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-21 11:22:21,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:21,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:21,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:21,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 11:22:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:21,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:21,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:22:21,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:21,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:21,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:21,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:22:21,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:21,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:22:21,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:21,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:22:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:21,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:22:21,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:22,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:22:22,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:22,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:22,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:22,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:22:22,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:22,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:22,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:22:22,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:22,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:22,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:22,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:22,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:22,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:22,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 130 proven. 815 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2020-09-21 11:22:22,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057461514] [2020-09-21 11:22:22,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:22,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-09-21 11:22:22,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800479302] [2020-09-21 11:22:22,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-09-21 11:22:22,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:22,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-09-21 11:22:22,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=502, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:22:22,453 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 29 states. [2020-09-21 11:22:22,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:22,933 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-09-21 11:22:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:22:22,934 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 145 [2020-09-21 11:22:22,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:22,935 INFO L225 Difference]: With dead ends: 88 [2020-09-21 11:22:22,935 INFO L226 Difference]: Without dead ends: 84 [2020-09-21 11:22:22,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=954, Invalid=1698, Unknown=0, NotChecked=0, Total=2652 [2020-09-21 11:22:22,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-09-21 11:22:22,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-09-21 11:22:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-09-21 11:22:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-09-21 11:22:22,941 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 145 [2020-09-21 11:22:22,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:22,943 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-09-21 11:22:22,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-09-21 11:22:22,943 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-09-21 11:22:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-21 11:22:22,948 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:22,948 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:22,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-21 11:22:22,949 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:22,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:22,949 INFO L82 PathProgramCache]: Analyzing trace with hash 478692079, now seen corresponding path program 23 times [2020-09-21 11:22:22,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:22,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753465905] [2020-09-21 11:22:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-09-21 11:22:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 11:22:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:23,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:23,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 11:22:23,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-21 11:22:23,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-09-21 11:22:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-09-21 11:22:23,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:22:23,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-21 11:22:23,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-09-21 11:22:23,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:23,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-21 11:22:23,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:22:24,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-21 11:22:24,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-21 11:22:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-09-21 11:22:24,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:22:24,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-21 11:22:24,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-21 11:22:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:22:24,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:24,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-21 11:22:24,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:25,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-21 11:22:25,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:25,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:25,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-21 11:22:25,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:25,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-21 11:22:25,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:25,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-21 11:22:25,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:25,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:22:25,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:25,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:25,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:22:25,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:25,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:25,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:25,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:22:25,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:25,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:25,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:22:25,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:25,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:26,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:22:26,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:26,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:26,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:22:26,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:26,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:26,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:26,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:26,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:22:26,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:26,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:26,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:26,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:22:26,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:26,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:26,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:22:26,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:26,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:26,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:26,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:26,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:26,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:26,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:26,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:26,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:26,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:26,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 125 proven. 953 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2020-09-21 11:22:26,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753465905] [2020-09-21 11:22:26,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:26,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-09-21 11:22:26,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716282359] [2020-09-21 11:22:26,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-09-21 11:22:26,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:26,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-09-21 11:22:26,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=480, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:22:26,643 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 29 states. [2020-09-21 11:22:27,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:27,163 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-09-21 11:22:27,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-21 11:22:27,163 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 151 [2020-09-21 11:22:27,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:27,165 INFO L225 Difference]: With dead ends: 91 [2020-09-21 11:22:27,165 INFO L226 Difference]: Without dead ends: 87 [2020-09-21 11:22:27,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1004, Invalid=1752, Unknown=0, NotChecked=0, Total=2756 [2020-09-21 11:22:27,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-09-21 11:22:27,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-09-21 11:22:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-21 11:22:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-09-21 11:22:27,171 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 151 [2020-09-21 11:22:27,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:27,172 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-09-21 11:22:27,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-09-21 11:22:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-09-21 11:22:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 11:22:27,173 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:27,174 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:27,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-21 11:22:27,174 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:27,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:27,174 INFO L82 PathProgramCache]: Analyzing trace with hash -414572547, now seen corresponding path program 24 times [2020-09-21 11:22:27,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:27,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389440427] [2020-09-21 11:22:27,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-09-21 11:22:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:22:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:27,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:27,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-21 11:22:27,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-21 11:22:27,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-09-21 11:22:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-09-21 11:22:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 11:22:28,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-21 11:22:28,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-09-21 11:22:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-09-21 11:22:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:28,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-21 11:22:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:28,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:22:28,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-09-21 11:22:28,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-21 11:22:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-09-21 11:22:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:28,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:22:28,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-21 11:22:28,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-21 11:22:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:22:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:28,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-21 11:22:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:22:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:22:29,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:29,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-21 11:22:29,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:29,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-21 11:22:29,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:29,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:29,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-21 11:22:29,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:29,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:29,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-21 11:22:29,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:29,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:29,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-21 11:22:29,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:29,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:30,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-21 11:22:30,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:30,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-21 11:22:30,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:30,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:22:30,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:30,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:30,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:22:30,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:30,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:30,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:22:30,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:30,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:30,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:22:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:30,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:30,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:22:30,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:30,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:30,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:30,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:22:30,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:30,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:30,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:30,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:30,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:30,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:30,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:22:30,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:30,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:30,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:30,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:30,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:30,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:30,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:30,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:31,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:31,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:31,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:31,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:31,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:31,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:31,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:31,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:31,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:31,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:31,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:31,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:31,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:31,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:31,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:31,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:31,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:31,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:31,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:31,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 204 proven. 944 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2020-09-21 11:22:31,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389440427] [2020-09-21 11:22:31,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:31,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-09-21 11:22:31,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470223756] [2020-09-21 11:22:31,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-09-21 11:22:31,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:31,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-09-21 11:22:31,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=512, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:22:31,241 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 30 states. [2020-09-21 11:22:31,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:31,782 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-09-21 11:22:31,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-21 11:22:31,783 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 157 [2020-09-21 11:22:31,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:31,784 INFO L225 Difference]: With dead ends: 94 [2020-09-21 11:22:31,785 INFO L226 Difference]: Without dead ends: 90 [2020-09-21 11:22:31,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1083, Invalid=1887, Unknown=0, NotChecked=0, Total=2970 [2020-09-21 11:22:31,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-09-21 11:22:31,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-09-21 11:22:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 11:22:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-09-21 11:22:31,790 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 157 [2020-09-21 11:22:31,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:31,791 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-09-21 11:22:31,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-09-21 11:22:31,791 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-09-21 11:22:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-21 11:22:31,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:31,792 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:31,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-21 11:22:31,793 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:31,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:31,793 INFO L82 PathProgramCache]: Analyzing trace with hash -975000849, now seen corresponding path program 25 times [2020-09-21 11:22:31,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:31,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265022728] [2020-09-21 11:22:31,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:22:31,823 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:22:31,824 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:22:31,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-21 11:22:31,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:22:31 BoogieIcfgContainer [2020-09-21 11:22:31,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:22:31,863 INFO L168 Benchmark]: Toolchain (without parser) took 48386.67 ms. Allocated memory was 140.5 MB in the beginning and 854.1 MB in the end (delta: 713.6 MB). Free memory was 102.6 MB in the beginning and 766.7 MB in the end (delta: -664.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:22:31,863 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:22:31,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.47 ms. Allocated memory is still 140.5 MB. Free memory was 101.9 MB in the beginning and 92.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:22:31,864 INFO L168 Benchmark]: Boogie Preprocessor took 35.31 ms. Allocated memory is still 140.5 MB. Free memory was 92.7 MB in the beginning and 91.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:22:31,865 INFO L168 Benchmark]: RCFGBuilder took 366.46 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 91.3 MB in the beginning and 171.1 MB in the end (delta: -79.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:22:31,865 INFO L168 Benchmark]: TraceAbstraction took 47681.71 ms. Allocated memory was 202.9 MB in the beginning and 854.1 MB in the end (delta: 651.2 MB). Free memory was 171.1 MB in the beginning and 766.7 MB in the end (delta: -595.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:22:31,868 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.47 ms. Allocated memory is still 140.5 MB. Free memory was 101.9 MB in the beginning and 92.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.31 ms. Allocated memory is still 140.5 MB. Free memory was 92.7 MB in the beginning and 91.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 366.46 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 91.3 MB in the beginning and 171.1 MB in the end (delta: -79.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47681.71 ms. Allocated memory was 202.9 MB in the beginning and 854.1 MB in the end (delta: 651.2 MB). Free memory was 171.1 MB in the beginning and 766.7 MB in the end (delta: -595.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int input = 25; [L11] CALL, EXPR id(input) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND FALSE !(x==0) [L6] CALL, EXPR id(x-1) [L5] COND TRUE x==0 [L5] return 0; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L6] RET, EXPR id(x-1) [L6] return id(x-1) + 1; [L11] RET, EXPR id(input) [L11] int result = id(input); [L12] COND TRUE result == 25 [L13] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 47.5s, OverallIterations: 26, TraceHistogramMax: 26, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 1265 SDslu, 1764 SDs, 0 SdLazy, 1008 SolverSat, 318 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1425 GetRequests, 692 SyntacticMatches, 2 SemanticMatches, 731 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5275 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 25 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 39.6s InterpolantComputationTime, 2288 NumberOfCodeBlocks, 2288 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2100 ConstructedInterpolants, 0 QuantifiedInterpolants, 579918 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 6282/15000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...