/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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_i20_o20-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:58:56,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:58:56,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:58:56,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:58:56,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:58:56,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:58:56,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:58:56,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:58:56,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:58:56,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:58:56,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:58:56,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:58:56,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:58:56,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:58:56,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:58:56,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:58:56,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:58:56,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:58:56,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:58:56,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:58:56,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:58:56,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:58:56,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:58:56,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:58:56,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:58:56,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:58:56,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:58:56,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:58:56,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:58:56,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:58:56,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:58:56,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:58:56,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:58:56,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:58:56,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:58:56,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:58:56,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:58:56,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:58:56,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:58:56,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:58:56,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:58:56,355 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 [2020-09-24 15:58:56,383 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:58:56,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:58:56,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:58:56,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:58:56,385 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:58:56,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:58:56,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:58:56,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:58:56,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:58:56,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:58:56,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:58:56,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:58:56,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:58:56,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:58:56,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:58:56,387 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:58:56,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:58:56,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:58:56,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:58:56,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:58:56,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:58:56,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:58:56,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:58:56,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:58:56,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:58:56,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:58:56,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:58:56,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:58:56,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:58:56,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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; [2020-09-24 15:58:56,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:58:56,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:58:56,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:58:56,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:58:56,911 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:58:56,912 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_i20_o20-1.c [2020-09-24 15:58:57,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c6874838/15a5d9389d2948609c5a34e8f6fd27fc/FLAGeea001b42 [2020-09-24 15:58:57,560 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:58:57,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_i20_o20-1.c [2020-09-24 15:58:57,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c6874838/15a5d9389d2948609c5a34e8f6fd27fc/FLAGeea001b42 [2020-09-24 15:58:57,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c6874838/15a5d9389d2948609c5a34e8f6fd27fc [2020-09-24 15:58:57,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:58:57,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:58:57,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:57,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:58:57,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:58:57,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:57" (1/1) ... [2020-09-24 15:58:57,945 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 24.09 03:58:57, skipping insertion in model container [2020-09-24 15:58:57,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:57" (1/1) ... [2020-09-24 15:58:57,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:58:57,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:58:58,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:58,227 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:58:58,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:58,263 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:58:58,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58 WrapperNode [2020-09-24 15:58:58,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:58,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:58:58,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:58:58,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:58:58,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (1/1) ... [2020-09-24 15:58:58,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (1/1) ... [2020-09-24 15:58:58,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (1/1) ... [2020-09-24 15:58:58,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (1/1) ... [2020-09-24 15:58:58,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (1/1) ... [2020-09-24 15:58:58,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (1/1) ... [2020-09-24 15:58:58,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (1/1) ... [2020-09-24 15:58:58,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:58:58,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:58:58,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:58:58,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:58:58,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (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 [2020-09-24 15:58:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:58:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:58:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-09-24 15:58:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:58:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:58:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:58:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-09-24 15:58:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:58:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:58:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:58:58,653 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:58:58,654 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:58:58,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:58 BoogieIcfgContainer [2020-09-24 15:58:58,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:58:58,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:58:58,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:58:58,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:58:58,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:58:57" (1/3) ... [2020-09-24 15:58:58,666 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 24.09 03:58:58, skipping insertion in model container [2020-09-24 15:58:58,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:58" (2/3) ... [2020-09-24 15:58:58,667 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 24.09 03:58:58, skipping insertion in model container [2020-09-24 15:58:58,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:58" (3/3) ... [2020-09-24 15:58:58,670 INFO L109 eAbstractionObserver]: Analyzing ICFG id_i20_o20-1.c [2020-09-24 15:58:58,682 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:58:58,692 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:58:58,716 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:58:58,755 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:58:58,756 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:58:58,756 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:58:58,756 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:58:58,757 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:58:58,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:58:58,757 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:58:58,757 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:58:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-09-24 15:58:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-24 15:58:58,798 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:58,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:58,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:58,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:58,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1037734449, now seen corresponding path program 1 times [2020-09-24 15:58:58,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:58,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509561441] [2020-09-24 15:58:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:58,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:58,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:58,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:58,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:58,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 15:58:58,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:58,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:58:58,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:58:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:59,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:59,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:59,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:59,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:58:59,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:59,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:58:59,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509561441] [2020-09-24 15:58:59,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:58:59,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:58:59,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882309428] [2020-09-24 15:58:59,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:58:59,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:59,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:58:59,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:58:59,183 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 5 states. [2020-09-24 15:58:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:59,277 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2020-09-24 15:58:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:58:59,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-24 15:58:59,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:59,293 INFO L225 Difference]: With dead ends: 37 [2020-09-24 15:58:59,293 INFO L226 Difference]: Without dead ends: 23 [2020-09-24 15:58:59,298 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 [2020-09-24 15:58:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-24 15:58:59,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-09-24 15:58:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-09-24 15:58:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-09-24 15:58:59,353 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2020-09-24 15:58:59,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:59,353 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-09-24 15:58:59,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:58:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-09-24 15:58:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-24 15:58:59,356 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:59,356 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:59,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:58:59,357 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:59,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:59,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1478812441, now seen corresponding path program 1 times [2020-09-24 15:58:59,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:59,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261876631] [2020-09-24 15:58:59,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 15:58:59,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:58:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:58:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:59,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:59,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:59,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:58:59,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:59,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:59,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:59,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 15:58:59,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:58:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:59,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:58:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:58:59,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261876631] [2020-09-24 15:58:59,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:59,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:58:59,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556271796] [2020-09-24 15:58:59,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:58:59,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:59,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:58:59,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:59,649 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 7 states. [2020-09-24 15:58:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:59,717 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-09-24 15:58:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:58:59,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-09-24 15:58:59,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:59,719 INFO L225 Difference]: With dead ends: 34 [2020-09-24 15:58:59,719 INFO L226 Difference]: Without dead ends: 28 [2020-09-24 15:58:59,720 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 [2020-09-24 15:58:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-24 15:58:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-24 15:58:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-24 15:58:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-09-24 15:58:59,728 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 24 [2020-09-24 15:58:59,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:59,729 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-09-24 15:58:59,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:58:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-09-24 15:58:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-24 15:58:59,730 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:59,731 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:59,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:58:59,731 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:59,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:59,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1463730447, now seen corresponding path program 2 times [2020-09-24 15:58:59,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:59,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083560654] [2020-09-24 15:58:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:58:59,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:58:59,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:58:59,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:58:59,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:58:59,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:58:59,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:58:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:59,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:59,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:59,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:59,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:59,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:58:59,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:59,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:59,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:59,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:59,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:58:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:58:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:00,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:00,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:00,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 15:59:00,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083560654] [2020-09-24 15:59:00,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:00,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:59:00,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241021323] [2020-09-24 15:59:00,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:59:00,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:00,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:59:00,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:59:00,049 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 8 states. [2020-09-24 15:59:00,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:00,133 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2020-09-24 15:59:00,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:59:00,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-09-24 15:59:00,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:00,135 INFO L225 Difference]: With dead ends: 39 [2020-09-24 15:59:00,135 INFO L226 Difference]: Without dead ends: 33 [2020-09-24 15:59:00,136 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 [2020-09-24 15:59:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-24 15:59:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-09-24 15:59:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-24 15:59:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-09-24 15:59:00,144 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 32 [2020-09-24 15:59:00,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:00,145 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-09-24 15:59:00,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:59:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-09-24 15:59:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-24 15:59:00,147 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:00,147 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:00,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:59:00,147 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:00,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:00,148 INFO L82 PathProgramCache]: Analyzing trace with hash 23346727, now seen corresponding path program 3 times [2020-09-24 15:59:00,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:00,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499392928] [2020-09-24 15:59:00,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:59:00,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:59:00,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:59:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:59:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:00,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:00,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:00,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:00,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:00,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:59:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 15:59:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:00,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:00,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:00,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:00,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:00,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:00,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:00,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:00,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-24 15:59:00,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499392928] [2020-09-24 15:59:00,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:00,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:59:00,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278344388] [2020-09-24 15:59:00,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:59:00,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:00,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:59:00,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:59:00,460 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 8 states. [2020-09-24 15:59:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:00,533 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2020-09-24 15:59:00,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:59:00,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-09-24 15:59:00,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:00,536 INFO L225 Difference]: With dead ends: 44 [2020-09-24 15:59:00,536 INFO L226 Difference]: Without dead ends: 38 [2020-09-24 15:59:00,537 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 [2020-09-24 15:59:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-09-24 15:59:00,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-09-24 15:59:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-09-24 15:59:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2020-09-24 15:59:00,544 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 40 [2020-09-24 15:59:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:00,545 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2020-09-24 15:59:00,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:59:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-09-24 15:59:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 15:59:00,547 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:00,547 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:00,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:59:00,547 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:00,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:00,548 INFO L82 PathProgramCache]: Analyzing trace with hash -649675855, now seen corresponding path program 4 times [2020-09-24 15:59:00,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:00,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433504864] [2020-09-24 15:59:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 15:59:00,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:00,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:59:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 15:59:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:00,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:00,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:00,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:00,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:59:00,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:59:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:00,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:59:00,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:00,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:00,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:59:00,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:00,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:00,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:00,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:00,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:00,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:00,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:00,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:00,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:00,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:00,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:00,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:00,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 44 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-24 15:59:00,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433504864] [2020-09-24 15:59:00,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:00,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:59:00,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175042169] [2020-09-24 15:59:00,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:59:00,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:00,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:59:00,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:59:00,877 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 11 states. [2020-09-24 15:59:00,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:00,984 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-24 15:59:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:59:00,985 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-09-24 15:59:00,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:00,986 INFO L225 Difference]: With dead ends: 49 [2020-09-24 15:59:00,987 INFO L226 Difference]: Without dead ends: 43 [2020-09-24 15:59:00,988 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 [2020-09-24 15:59:00,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-24 15:59:00,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-09-24 15:59:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-09-24 15:59:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-09-24 15:59:00,997 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 48 [2020-09-24 15:59:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:00,998 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-09-24 15:59:00,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:59:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-09-24 15:59:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-24 15:59:01,001 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:01,001 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:01,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:59:01,002 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:01,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:01,002 INFO L82 PathProgramCache]: Analyzing trace with hash 899977063, now seen corresponding path program 5 times [2020-09-24 15:59:01,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:01,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20990006] [2020-09-24 15:59:01,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-24 15:59:01,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:59:01,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:59:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-24 15:59:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:01,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:01,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:01,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:01,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:59:01,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:59:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:59:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:01,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:01,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:01,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:01,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:01,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:01,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:01,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:01,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:01,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:01,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:01,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 15:59:01,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20990006] [2020-09-24 15:59:01,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:01,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:59:01,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740645415] [2020-09-24 15:59:01,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:59:01,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:01,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:59:01,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:59:01,450 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 11 states. [2020-09-24 15:59:01,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:01,554 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2020-09-24 15:59:01,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:59:01,555 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2020-09-24 15:59:01,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:01,557 INFO L225 Difference]: With dead ends: 54 [2020-09-24 15:59:01,557 INFO L226 Difference]: Without dead ends: 48 [2020-09-24 15:59:01,558 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 [2020-09-24 15:59:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-09-24 15:59:01,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-09-24 15:59:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-24 15:59:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-09-24 15:59:01,565 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 56 [2020-09-24 15:59:01,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:01,565 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-09-24 15:59:01,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:59:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-09-24 15:59:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-24 15:59:01,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:01,567 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:01,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:59:01,568 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:01,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:01,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1000802417, now seen corresponding path program 6 times [2020-09-24 15:59:01,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:01,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916935060] [2020-09-24 15:59:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:59:01,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:59:01,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:59:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 15:59:01,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:01,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:01,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:01,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:59:01,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:59:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-24 15:59:01,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:01,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:59:01,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:01,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:01,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:01,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:01,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:01,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:01,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:01,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:01,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:01,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:01,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:01,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:01,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:01,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:01,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:02,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:02,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 10 proven. 88 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-24 15:59:02,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916935060] [2020-09-24 15:59:02,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:02,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:59:02,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480610924] [2020-09-24 15:59:02,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:59:02,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:02,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:59:02,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:59:02,113 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 12 states. [2020-09-24 15:59:02,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:02,235 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2020-09-24 15:59:02,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:59:02,236 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-09-24 15:59:02,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:02,238 INFO L225 Difference]: With dead ends: 59 [2020-09-24 15:59:02,238 INFO L226 Difference]: Without dead ends: 53 [2020-09-24 15:59:02,239 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 [2020-09-24 15:59:02,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-09-24 15:59:02,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-09-24 15:59:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-09-24 15:59:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-09-24 15:59:02,246 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 64 [2020-09-24 15:59:02,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:02,246 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-09-24 15:59:02,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:59:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-09-24 15:59:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-24 15:59:02,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:02,248 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:02,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:59:02,248 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:02,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:02,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1977618599, now seen corresponding path program 7 times [2020-09-24 15:59:02,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:02,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102369920] [2020-09-24 15:59:02,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-24 15:59:02,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:59:02,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:59:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 15:59:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:02,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:02,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:02,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:02,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:02,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:02,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:02,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:59:02,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:59:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:59:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:02,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:59:02,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:02,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:59:02,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:02,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:02,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:02,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:02,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:02,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:02,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:02,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:02,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:02,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:02,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:02,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:02,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:02,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:02,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:02,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:02,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:02,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:02,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:02,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:02,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 131 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-09-24 15:59:02,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102369920] [2020-09-24 15:59:02,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:02,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:59:02,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527968103] [2020-09-24 15:59:02,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:59:02,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:02,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:59:02,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:59:02,835 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 13 states. [2020-09-24 15:59:02,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:02,974 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-09-24 15:59:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:59:02,975 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 72 [2020-09-24 15:59:02,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:02,977 INFO L225 Difference]: With dead ends: 64 [2020-09-24 15:59:02,977 INFO L226 Difference]: Without dead ends: 58 [2020-09-24 15:59:02,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:02,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-09-24 15:59:02,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-09-24 15:59:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-09-24 15:59:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions. [2020-09-24 15:59:02,986 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 72 [2020-09-24 15:59:02,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:02,986 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions. [2020-09-24 15:59:02,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:59:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2020-09-24 15:59:02,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-09-24 15:59:02,988 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:02,988 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:02,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:59:02,988 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:02,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:02,989 INFO L82 PathProgramCache]: Analyzing trace with hash 555623729, now seen corresponding path program 8 times [2020-09-24 15:59:02,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:02,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471314540] [2020-09-24 15:59:02,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 15:59:03,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:03,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:59:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:59:03,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:03,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:03,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:03,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:59:03,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:59:03,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:03,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:59:03,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:03,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:59:03,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:03,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:03,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:03,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:03,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:03,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:03,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:59:03,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:03,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:03,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:59:03,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:03,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:03,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:03,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:03,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:03,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:03,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:03,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:03,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:03,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:03,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:03,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:03,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:03,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:03,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 24 proven. 169 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-24 15:59:03,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471314540] [2020-09-24 15:59:03,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:03,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:59:03,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282805610] [2020-09-24 15:59:03,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:59:03,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:03,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:59:03,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:03,670 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand 15 states. [2020-09-24 15:59:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:03,821 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2020-09-24 15:59:03,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:59:03,822 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 80 [2020-09-24 15:59:03,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:03,824 INFO L225 Difference]: With dead ends: 69 [2020-09-24 15:59:03,824 INFO L226 Difference]: Without dead ends: 63 [2020-09-24 15:59:03,825 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 [2020-09-24 15:59:03,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-09-24 15:59:03,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-09-24 15:59:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-09-24 15:59:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-09-24 15:59:03,832 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 80 [2020-09-24 15:59:03,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:03,833 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-09-24 15:59:03,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:59:03,833 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-09-24 15:59:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-24 15:59:03,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:03,835 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:03,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:59:03,835 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:03,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:03,835 INFO L82 PathProgramCache]: Analyzing trace with hash 777699815, now seen corresponding path program 9 times [2020-09-24 15:59:03,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:03,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007192334] [2020-09-24 15:59:03,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-24 15:59:03,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:59:03,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:59:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:59:03,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:03,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:03,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:03,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:03,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:03,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:03,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:03,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:03,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:04,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 15:59:04,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:59:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:04,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:04,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:59:04,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:04,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:04,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:04,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:04,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:04,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:04,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:59:04,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:04,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:04,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:04,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:59:04,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:04,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:04,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:04,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:04,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:04,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:04,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:04,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:04,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:04,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:04,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:04,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:04,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:04,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:04,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:04,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:04,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:04,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:04,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 40 proven. 203 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-09-24 15:59:04,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007192334] [2020-09-24 15:59:04,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:04,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:59:04,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528931205] [2020-09-24 15:59:04,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:59:04,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:04,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:59:04,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:04,657 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 15 states. [2020-09-24 15:59:04,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:04,815 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2020-09-24 15:59:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:59:04,816 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2020-09-24 15:59:04,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:04,817 INFO L225 Difference]: With dead ends: 74 [2020-09-24 15:59:04,817 INFO L226 Difference]: Without dead ends: 68 [2020-09-24 15:59:04,822 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 [2020-09-24 15:59:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-24 15:59:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-09-24 15:59:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-24 15:59:04,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2020-09-24 15:59:04,834 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 88 [2020-09-24 15:59:04,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:04,834 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2020-09-24 15:59:04,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:59:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2020-09-24 15:59:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-24 15:59:04,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:04,836 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:04,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:59:04,836 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:04,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2145915377, now seen corresponding path program 10 times [2020-09-24 15:59:04,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:04,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657475937] [2020-09-24 15:59:04,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-24 15:59:04,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 15:59:04,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:59:04,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:04,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:59:04,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:04,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:04,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:04,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:04,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:04,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:04,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:04,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:04,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:04,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:04,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:05,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 15:59:05,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:59:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-24 15:59:05,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:05,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:05,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:59:05,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:05,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:05,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:05,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 15:59:05,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:05,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:05,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:59:05,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:05,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:05,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:59:05,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:05,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:05,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:05,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:05,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:05,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:05,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:05,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:59:05,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:05,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:05,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:05,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:05,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:05,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:05,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:05,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:05,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:05,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:05,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:05,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:05,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:05,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:05,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:05,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:05,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:05,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 32 proven. 258 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-09-24 15:59:05,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657475937] [2020-09-24 15:59:05,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:05,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:59:05,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977210410] [2020-09-24 15:59:05,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:59:05,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:05,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:59:05,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:59:05,769 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 16 states. [2020-09-24 15:59:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:05,939 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-09-24 15:59:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:59:05,939 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 96 [2020-09-24 15:59:05,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:05,941 INFO L225 Difference]: With dead ends: 79 [2020-09-24 15:59:05,942 INFO L226 Difference]: Without dead ends: 73 [2020-09-24 15:59:05,943 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 [2020-09-24 15:59:05,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-09-24 15:59:05,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-09-24 15:59:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-24 15:59:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2020-09-24 15:59:05,950 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 96 [2020-09-24 15:59:05,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:05,950 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2020-09-24 15:59:05,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:59:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2020-09-24 15:59:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-24 15:59:05,951 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:05,952 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:05,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:59:05,952 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:05,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:05,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1180214055, now seen corresponding path program 11 times [2020-09-24 15:59:05,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:05,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162273821] [2020-09-24 15:59:05,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-09-24 15:59:06,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 15:59:06,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:59:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:59:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:06,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:06,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:06,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:06,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 15:59:06,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:59:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:59:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:06,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 15:59:06,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:06,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:59:06,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:06,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:59:06,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:06,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:59:06,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:06,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:06,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:59:06,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:06,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:06,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:06,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:06,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:06,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:06,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:06,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:06,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:06,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:06,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:06,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:06,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:06,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:06,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:59:06,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:06,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:06,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:06,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:06,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:06,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:06,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:06,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:06,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:06,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:06,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:06,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:06,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:06,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 18 proven. 330 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-09-24 15:59:07,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162273821] [2020-09-24 15:59:07,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:07,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:59:07,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523961937] [2020-09-24 15:59:07,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:59:07,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:07,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:59:07,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:59:07,025 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 17 states. [2020-09-24 15:59:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:07,228 INFO L93 Difference]: Finished difference Result 84 states and 85 transitions. [2020-09-24 15:59:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:59:07,229 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 104 [2020-09-24 15:59:07,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:07,230 INFO L225 Difference]: With dead ends: 84 [2020-09-24 15:59:07,231 INFO L226 Difference]: Without dead ends: 78 [2020-09-24 15:59:07,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:59:07,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-24 15:59:07,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-09-24 15:59:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-09-24 15:59:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-09-24 15:59:07,242 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 104 [2020-09-24 15:59:07,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:07,242 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-09-24 15:59:07,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:59:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-09-24 15:59:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-24 15:59:07,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:07,244 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:07,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 15:59:07,245 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:07,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:07,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1287598415, now seen corresponding path program 12 times [2020-09-24 15:59:07,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:07,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813081352] [2020-09-24 15:59:07,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:07,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:07,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:07,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:07,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:07,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-24 15:59:07,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:07,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 15:59:07,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:59:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:59:07,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:07,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:07,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:07,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:07,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:07,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:07,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:07,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:07,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:07,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:07,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:07,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:07,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:07,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:07,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:07,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:07,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 15:59:07,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:59:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-24 15:59:07,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:07,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:07,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:07,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:07,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:07,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:07,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:07,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 15:59:07,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:07,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:07,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:07,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:07,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:07,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:07,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:07,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:07,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:07,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 15:59:07,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:07,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:07,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:07,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:07,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:07,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:07,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 15:59:07,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:08,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:59:08,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:08,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:08,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:59:08,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:08,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:59:08,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:08,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:59:08,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:08,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:08,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:08,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:08,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:08,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:08,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:08,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:08,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:08,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:08,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:08,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:08,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:08,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:08,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 4 proven. 392 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-09-24 15:59:08,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813081352] [2020-09-24 15:59:08,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:08,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 15:59:08,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415158731] [2020-09-24 15:59:08,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 15:59:08,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:08,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 15:59:08,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:59:08,545 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 18 states. [2020-09-24 15:59:08,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:08,797 INFO L93 Difference]: Finished difference Result 89 states and 90 transitions. [2020-09-24 15:59:08,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:59:08,798 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 112 [2020-09-24 15:59:08,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:08,800 INFO L225 Difference]: With dead ends: 89 [2020-09-24 15:59:08,800 INFO L226 Difference]: Without dead ends: 83 [2020-09-24 15:59:08,804 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 [2020-09-24 15:59:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-09-24 15:59:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-09-24 15:59:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-09-24 15:59:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2020-09-24 15:59:08,821 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 112 [2020-09-24 15:59:08,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:08,821 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2020-09-24 15:59:08,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 15:59:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2020-09-24 15:59:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-24 15:59:08,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:08,827 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:08,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 15:59:08,828 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:08,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1612559463, now seen corresponding path program 13 times [2020-09-24 15:59:08,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:08,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520098591] [2020-09-24 15:59:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:08,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:08,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:08,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:08,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:08,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:08,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:08,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-24 15:59:08,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:59:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:59:08,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:09,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:09,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:09,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:09,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 15:59:09,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:59:09,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:09,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-24 15:59:09,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:09,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 15:59:09,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:09,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:09,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:09,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 15:59:09,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:09,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:09,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:59:09,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:09,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:59:09,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:09,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:59:09,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:09,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:09,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:09,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:09,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:09,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:09,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:09,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:09,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:09,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:59:09,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:09,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:10,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:10,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:10,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:10,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:10,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:10,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:10,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:10,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:10,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:10,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:10,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:10,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:10,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:10,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:10,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:10,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:10,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:10,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:10,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:10,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:10,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:10,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:10,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 28 proven. 481 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-09-24 15:59:10,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520098591] [2020-09-24 15:59:10,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:10,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 15:59:10,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670245632] [2020-09-24 15:59:10,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 15:59:10,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:10,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 15:59:10,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2020-09-24 15:59:10,326 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 20 states. [2020-09-24 15:59:10,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:10,587 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-09-24 15:59:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:59:10,587 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 120 [2020-09-24 15:59:10,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:10,589 INFO L225 Difference]: With dead ends: 94 [2020-09-24 15:59:10,589 INFO L226 Difference]: Without dead ends: 88 [2020-09-24 15:59:10,590 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 [2020-09-24 15:59:10,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-09-24 15:59:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-09-24 15:59:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-24 15:59:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2020-09-24 15:59:10,595 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 120 [2020-09-24 15:59:10,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:10,596 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2020-09-24 15:59:10,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-24 15:59:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2020-09-24 15:59:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-24 15:59:10,598 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:10,598 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:10,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 15:59:10,598 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:10,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:10,599 INFO L82 PathProgramCache]: Analyzing trace with hash 996432753, now seen corresponding path program 14 times [2020-09-24 15:59:10,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:10,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190194501] [2020-09-24 15:59:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-24 15:59:10,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 15:59:10,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:59:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:59:10,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:10,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:10,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:10,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:10,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:10,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:10,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:10,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:10,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:10,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:10,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:10,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:10,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 15:59:10,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:59:10,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:10,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-24 15:59:10,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:11,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-24 15:59:11,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:59:11,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:11,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 15:59:11,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:11,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 15:59:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:11,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:11,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:11,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:59:11,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:11,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:11,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:11,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 15:59:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:11,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:59:11,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:11,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:11,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:59:11,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:11,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:11,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:11,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:11,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:11,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:11,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:11,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:11,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:11,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:11,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:11,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:11,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:11,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:11,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:11,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:11,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:11,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:11,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:11,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:11,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:11,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:11,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:11,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:12,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:12,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:12,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:12,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:12,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:12,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:12,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:12,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:12,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:12,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:12,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:12,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:12,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:12,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:12,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:12,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:12,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:12,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:12,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:12,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:12,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:12,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:12,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 69 proven. 531 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-09-24 15:59:12,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190194501] [2020-09-24 15:59:12,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:12,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:12,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297745388] [2020-09-24 15:59:12,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:12,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:12,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:12,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:12,200 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 21 states. [2020-09-24 15:59:12,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:12,440 INFO L93 Difference]: Finished difference Result 99 states and 100 transitions. [2020-09-24 15:59:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:59:12,442 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 128 [2020-09-24 15:59:12,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:12,443 INFO L225 Difference]: With dead ends: 99 [2020-09-24 15:59:12,443 INFO L226 Difference]: Without dead ends: 93 [2020-09-24 15:59:12,445 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 [2020-09-24 15:59:12,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-24 15:59:12,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-09-24 15:59:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-24 15:59:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2020-09-24 15:59:12,455 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 128 [2020-09-24 15:59:12,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:12,456 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2020-09-24 15:59:12,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2020-09-24 15:59:12,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-24 15:59:12,458 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:12,459 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:12,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 15:59:12,459 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:12,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:12,459 INFO L82 PathProgramCache]: Analyzing trace with hash 418248103, now seen corresponding path program 15 times [2020-09-24 15:59:12,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:12,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871174991] [2020-09-24 15:59:12,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:12,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:12,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:12,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:12,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:12,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-09-24 15:59:12,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:12,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 15:59:12,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:12,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:59:12,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:12,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:59:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:12,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:12,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:12,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:12,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:12,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:12,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:12,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:12,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:59:12,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:12,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:12,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:12,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:12,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:12,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:12,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:12,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:12,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:12,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:12,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-24 15:59:12,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:12,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-24 15:59:12,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:59:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-09-24 15:59:12,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:12,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:12,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:12,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:12,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:12,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:12,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:12,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 15:59:12,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:12,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:12,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:12,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:59:12,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:13,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 15:59:13,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:59:13,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:13,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 15:59:13,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:13,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:13,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:59:13,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:13,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:13,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:13,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:13,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 15:59:13,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:13,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:59:13,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:13,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:13,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:59:13,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:13,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:13,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:59:13,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:13,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:13,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:13,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:13,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:13,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:13,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:13,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:13,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:13,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:13,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:13,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:13,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:13,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:13,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:13,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:13,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:14,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:14,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:14,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:14,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:14,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:14,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:14,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:14,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:14,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:14,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:14,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:14,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:14,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:14,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:14,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:14,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:14,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:14,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:14,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:14,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:14,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:14,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:14,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:14,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:14,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:14,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:14,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:14,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:14,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:14,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:14,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:14,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:14,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:14,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:14,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:14,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:14,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:14,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:14,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:14,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 23 proven. 631 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-09-24 15:59:14,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871174991] [2020-09-24 15:59:14,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:14,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:14,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227787756] [2020-09-24 15:59:14,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:14,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:14,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:14,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=260, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:14,201 INFO L87 Difference]: Start difference. First operand 93 states and 94 transitions. Second operand 21 states. [2020-09-24 15:59:14,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:14,478 INFO L93 Difference]: Finished difference Result 104 states and 105 transitions. [2020-09-24 15:59:14,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:59:14,479 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 136 [2020-09-24 15:59:14,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:14,480 INFO L225 Difference]: With dead ends: 104 [2020-09-24 15:59:14,480 INFO L226 Difference]: Without dead ends: 98 [2020-09-24 15:59:14,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=480, Invalid=852, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 15:59:14,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-24 15:59:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-09-24 15:59:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-09-24 15:59:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2020-09-24 15:59:14,488 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 136 [2020-09-24 15:59:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:14,490 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2020-09-24 15:59:14,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2020-09-24 15:59:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-24 15:59:14,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:14,493 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:14,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 15:59:14,493 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:14,494 INFO L82 PathProgramCache]: Analyzing trace with hash 2106505265, now seen corresponding path program 16 times [2020-09-24 15:59:14,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:14,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350220509] [2020-09-24 15:59:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:14,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:14,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:14,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:14,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:14,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-09-24 15:59:14,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-24 15:59:14,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:59:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:14,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:14,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:14,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:14,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:14,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:14,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:14,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:14,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:14,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:14,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:14,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:14,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:14,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:14,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:14,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:14,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-24 15:59:14,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 15:59:14,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:59:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-24 15:59:14,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:14,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:15,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:15,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:15,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:15,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:15,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-24 15:59:15,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-24 15:59:15,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:59:15,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:15,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:15,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:15,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:15,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:15,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:15,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:15,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:15,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 15:59:15,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:59:15,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:15,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:15,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:15,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:15,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:15,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:15,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:15,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 15:59:15,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:59:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:15,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:15,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:15,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:15,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:15,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:15,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 15:59:15,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:15,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:15,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:15,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:15,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:15,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:15,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:15,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:15,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 15:59:15,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:15,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:15,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:15,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:15,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:15,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:15,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:15,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:15,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:15,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:15,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:15,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 15:59:15,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:15,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:15,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:15,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:15,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:15,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:15,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:15,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:15,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:59:15,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:16,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:16,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:16,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:16,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:16,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:59:16,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:16,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:16,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:59:16,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:16,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:16,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:16,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:16,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:16,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:16,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:16,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:16,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:16,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:16,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:16,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:16,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:16,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:16,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:16,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:16,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:16,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:16,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:16,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:16,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 43 proven. 748 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-09-24 15:59:16,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350220509] [2020-09-24 15:59:16,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:16,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 15:59:16,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397798071] [2020-09-24 15:59:16,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 15:59:16,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:16,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 15:59:16,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=364, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:59:16,643 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 24 states. [2020-09-24 15:59:16,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:16,970 INFO L93 Difference]: Finished difference Result 109 states and 110 transitions. [2020-09-24 15:59:16,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:59:16,971 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 144 [2020-09-24 15:59:16,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:16,973 INFO L225 Difference]: With dead ends: 109 [2020-09-24 15:59:16,973 INFO L226 Difference]: Without dead ends: 103 [2020-09-24 15:59:16,974 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 [2020-09-24 15:59:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-24 15:59:16,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-09-24 15:59:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-24 15:59:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 104 transitions. [2020-09-24 15:59:16,979 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 104 transitions. Word has length 144 [2020-09-24 15:59:16,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:16,980 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 104 transitions. [2020-09-24 15:59:16,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 15:59:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2020-09-24 15:59:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:59:16,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:16,982 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:16,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 15:59:16,982 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:16,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:16,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1225615079, now seen corresponding path program 17 times [2020-09-24 15:59:16,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:16,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100996822] [2020-09-24 15:59:16,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:17,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:17,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:17,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:17,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:17,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 15:59:17,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-24 15:59:17,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:59:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-24 15:59:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:17,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:17,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:17,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:17,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:17,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:17,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:17,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:17,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:17,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:17,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:17,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:17,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:17,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:59:17,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-24 15:59:17,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:59:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:59:17,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:17,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:17,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:17,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:17,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:17,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:17,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-24 15:59:17,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:17,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 15:59:17,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:17,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:17,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:17,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-24 15:59:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:17,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:17,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:17,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:17,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:17,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-24 15:59:17,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-24 15:59:17,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:59:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:17,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:17,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:17,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:17,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:17,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:17,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:17,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 15:59:17,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:59:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:17,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:18,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 15:59:18,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:59:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:18,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 15:59:18,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 22 [2020-09-24 15:59:18,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:18,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 15:59:18,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:18,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:59:18,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:18,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:18,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:59:18,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:18,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:18,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:59:18,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:18,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:18,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:18,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:59:18,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:18,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:18,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:18,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:18,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:18,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:18,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:18,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:18,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:18,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:18,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:18,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:18,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:18,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:18,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:18,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:18,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:18,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:18,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:19,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:19,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:19,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:19,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:19,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:19,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:19,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:19,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:19,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:19,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 54 proven. 813 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-09-24 15:59:19,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100996822] [2020-09-24 15:59:19,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:19,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:59:19,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348750932] [2020-09-24 15:59:19,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:59:19,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:19,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:59:19,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:59:19,231 INFO L87 Difference]: Start difference. First operand 103 states and 104 transitions. Second operand 23 states. [2020-09-24 15:59:19,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:19,572 INFO L93 Difference]: Finished difference Result 114 states and 115 transitions. [2020-09-24 15:59:19,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:59:19,572 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 152 [2020-09-24 15:59:19,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:19,573 INFO L225 Difference]: With dead ends: 114 [2020-09-24 15:59:19,574 INFO L226 Difference]: Without dead ends: 108 [2020-09-24 15:59:19,575 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 [2020-09-24 15:59:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-24 15:59:19,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-09-24 15:59:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-24 15:59:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 109 transitions. [2020-09-24 15:59:19,580 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 109 transitions. Word has length 152 [2020-09-24 15:59:19,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:19,581 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 109 transitions. [2020-09-24 15:59:19,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 15:59:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 109 transitions. [2020-09-24 15:59:19,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:59:19,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:19,583 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:19,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 15:59:19,584 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:19,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:19,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2080643855, now seen corresponding path program 18 times [2020-09-24 15:59:19,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:19,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330886154] [2020-09-24 15:59:19,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:19,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:19,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:19,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:19,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:19,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 15:59:19,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:19,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-24 15:59:19,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 15:59:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:59:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:19,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:19,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:19,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:19,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:19,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:19,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:19,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:59:19,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:19,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:19,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:19,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:19,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:19,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:19,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:19,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-24 15:59:19,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 15:59:19,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 15:59:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-09-24 15:59:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:20,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:20,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:20,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:20,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:20,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:59:20,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 15:59:20,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:59:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 15:59:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:20,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:20,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:20,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:20,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-24 15:59:20,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 15:59:20,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-24 15:59:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:20,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:20,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:20,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:20,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:20,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-24 15:59:20,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:20,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 15:59:20,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:59:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:20,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:20,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:20,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:20,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:20,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:20,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:20,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:20,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 15:59:20,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:20,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:20,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:20,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:59:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:20,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:20,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:20,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:20,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:20,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:20,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:20,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:20,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 15:59:20,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:59:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:20,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:20,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:20,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:20,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:20,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:20,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 15:59:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:20,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:59:21,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:21,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:21,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:59:21,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:21,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:21,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:21,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:21,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:21,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:21,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:59:21,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:21,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:59:21,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:21,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:59:21,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:21,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:21,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:21,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:21,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:21,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:21,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:21,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:21,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:21,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:21,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:21,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:21,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:21,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:21,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:21,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:21,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:21,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:21,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:21,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:21,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:21,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:21,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:59:21,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:21,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 120 proven. 831 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-09-24 15:59:21,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330886154] [2020-09-24 15:59:21,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:21,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 15:59:21,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591694999] [2020-09-24 15:59:21,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 15:59:21,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:21,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 15:59:21,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:59:21,840 INFO L87 Difference]: Start difference. First operand 108 states and 109 transitions. Second operand 24 states. [2020-09-24 15:59:22,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:22,205 INFO L93 Difference]: Finished difference Result 119 states and 120 transitions. [2020-09-24 15:59:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:59:22,206 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 160 [2020-09-24 15:59:22,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:22,207 INFO L225 Difference]: With dead ends: 119 [2020-09-24 15:59:22,208 INFO L226 Difference]: Without dead ends: 113 [2020-09-24 15:59:22,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=654, Invalid=1152, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 15:59:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-09-24 15:59:22,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-09-24 15:59:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-24 15:59:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 114 transitions. [2020-09-24 15:59:22,214 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 114 transitions. Word has length 160 [2020-09-24 15:59:22,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:22,215 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 114 transitions. [2020-09-24 15:59:22,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 15:59:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2020-09-24 15:59:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-09-24 15:59:22,217 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:22,217 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:22,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 15:59:22,218 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:22,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:22,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1136658471, now seen corresponding path program 19 times [2020-09-24 15:59:22,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:22,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720440226] [2020-09-24 15:59:22,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:22,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:22,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 15:59:22,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:22,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:22,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:22,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:22,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:22,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:22,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:22,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:22,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:22,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-24 15:59:22,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:22,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-24 15:59:22,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 15:59:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-09-24 15:59:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:22,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:22,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:22,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:22,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:22,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:22,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-24 15:59:22,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 15:59:22,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 15:59:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-09-24 15:59:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:59:23,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-24 15:59:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:59:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 15:59:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-24 15:59:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-24 15:59:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-24 15:59:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:23,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-24 15:59:23,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 15:59:23,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:59:23,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:23,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:23,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 15:59:23,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:23,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:59:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:23,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:23,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 15:59:23,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:59:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:23,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:59:23,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:23,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:59:23,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:23,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:23,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:23,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:23,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:23,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:23,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:23,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:23,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:59:23,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:23,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:23,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:24,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:59:24,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:24,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:24,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:59:24,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:24,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:24,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:24,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:24,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:24,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:24,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:24,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:24,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:24,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:24,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:24,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:24,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:24,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:24,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:24,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:24,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:24,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:24,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:24,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:24,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:24,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:24,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:24,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:24,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:24,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 104 proven. 979 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2020-09-24 15:59:24,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720440226] [2020-09-24 15:59:24,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:24,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-24 15:59:24,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212520278] [2020-09-24 15:59:24,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-24 15:59:24,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:24,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-24 15:59:24,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:59:24,675 INFO L87 Difference]: Start difference. First operand 113 states and 114 transitions. Second operand 25 states. [2020-09-24 15:59:25,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:25,075 INFO L93 Difference]: Finished difference Result 124 states and 125 transitions. [2020-09-24 15:59:25,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:59:25,076 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 168 [2020-09-24 15:59:25,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:25,077 INFO L225 Difference]: With dead ends: 124 [2020-09-24 15:59:25,078 INFO L226 Difference]: Without dead ends: 118 [2020-09-24 15:59:25,079 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 [2020-09-24 15:59:25,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-24 15:59:25,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-09-24 15:59:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-09-24 15:59:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 119 transitions. [2020-09-24 15:59:25,084 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 119 transitions. Word has length 168 [2020-09-24 15:59:25,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:25,084 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 119 transitions. [2020-09-24 15:59:25,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-24 15:59:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 119 transitions. [2020-09-24 15:59:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-24 15:59:25,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:25,087 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:25,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 15:59:25,087 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:25,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:25,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1108876879, now seen corresponding path program 20 times [2020-09-24 15:59:25,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:25,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308189764] [2020-09-24 15:59:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:25,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:25,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:25,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:25,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-24 15:59:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:25,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:25,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:25,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:25,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:25,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:25,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:25,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:59:25,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:25,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:25,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:25,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:25,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:25,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:59:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-24 15:59:25,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 15:59:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-09-24 15:59:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:25,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:25,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:25,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:25,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:25,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-24 15:59:25,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-24 15:59:25,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 15:59:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 15:59:25,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:26,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:26,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:26,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:26,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:26,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-24 15:59:26,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:26,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 15:59:26,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:59:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-09-24 15:59:26,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:26,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:26,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:26,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:26,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:26,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:59:26,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-24 15:59:26,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-09-24 15:59:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:26,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:26,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:26,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:26,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:26,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:26,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-24 15:59:26,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:26,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 15:59:26,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-24 15:59:26,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:26,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:26,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:26,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:26,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:26,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-24 15:59:26,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:26,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-24 15:59:26,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-09-24 15:59:26,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:26,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:26,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:26,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:26,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:26,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:26,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 15:59:26,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-24 15:59:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:26,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:27,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:27,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 15:59:27,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-24 15:59:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:27,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:27,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:27,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:27,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:27,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:27,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:27,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 15:59:27,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-24 15:59:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:27,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:27,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:27,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:27,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:27,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:27,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:27,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:59:27,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:59:27,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:27,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:27,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:27,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:27,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:27,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:27,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:27,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:27,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:27,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:27,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:27,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 15:59:27,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:27,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:27,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:27,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:27,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:27,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:27,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:27,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:59:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:59:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:27,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:27,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:27,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:27,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:27,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:27,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:27,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:27,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:27,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:27,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:27,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:27,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:27,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:59:27,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:59:27,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:28,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:28,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:28,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:28,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:28,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:28,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:28,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:28,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:59:28,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:28,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:28,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:28,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:28,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:28,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:28,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:28,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:28,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:59:28,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:28,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:28,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:28,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:28,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:28,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:28,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:28,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:28,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:28,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:28,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:28,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:59:28,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:28,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:28,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:28,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:28,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:28,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 15:59:28,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:28,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:28,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:28,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:28,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:28,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:28,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:28,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:28,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:28,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:28,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:28,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 15:59:28,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:28,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:28,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:28,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:28,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:28,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:28,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:28,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:28,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:59:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:28,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:28,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:28,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:28,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:28,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:59:28,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:59:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:28,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:59:28,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-09-24 15:59:29,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308189764] [2020-09-24 15:59:29,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:29,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-09-24 15:59:29,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285520015] [2020-09-24 15:59:29,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-09-24 15:59:29,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:29,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-09-24 15:59:29,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-09-24 15:59:29,210 INFO L87 Difference]: Start difference. First operand 118 states and 119 transitions. Second operand 45 states. [2020-09-24 15:59:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:32,116 INFO L93 Difference]: Finished difference Result 129 states and 130 transitions. [2020-09-24 15:59:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-09-24 15:59:32,117 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 176 [2020-09-24 15:59:32,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:32,119 INFO L225 Difference]: With dead ends: 129 [2020-09-24 15:59:32,119 INFO L226 Difference]: Without dead ends: 123 [2020-09-24 15:59:32,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=171, Invalid=4119, Unknown=0, NotChecked=0, Total=4290 [2020-09-24 15:59:32,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-24 15:59:32,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-09-24 15:59:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-24 15:59:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2020-09-24 15:59:32,125 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 176 [2020-09-24 15:59:32,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:32,126 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2020-09-24 15:59:32,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-09-24 15:59:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2020-09-24 15:59:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-24 15:59:32,128 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:32,129 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:32,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 15:59:32,129 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:32,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:32,129 INFO L82 PathProgramCache]: Analyzing trace with hash 390715751, now seen corresponding path program 21 times [2020-09-24 15:59:32,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:32,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810176020] [2020-09-24 15:59:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 15:59:32,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-24 15:59:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 15:59:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 15:59:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:32,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:32,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:59:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 15:59:32,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-09-24 15:59:32,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-24 15:59:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-09-24 15:59:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:59:32,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-24 15:59:32,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 15:59:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 208 [2020-09-24 15:59:32,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-24 15:59:33,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-24 15:59:33,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 15:59:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-09-24 15:59:33,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 15:59:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-09-24 15:59:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:59:33,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 15:59:33,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:59:33,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 15:59:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-24 15:59:33,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-24 15:59:33,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-24 15:59:33,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-24 15:59:34,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 15:59:34,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:59:34,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:59:34,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-24 15:59:34,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:59:34,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:59:34,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 15:59:34,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:59:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-24 15:59:34,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:59:34,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:59:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:59:34,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 15:59:34,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:34,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 15:59:34,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-24 15:59:34,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:59:34,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:59:34,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:59:34,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:34,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:59:34,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 15:59:34,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:34,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:59:34,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:34,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:34,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:34,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 15:59:35,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:35,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:59:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:59:35,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:35,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:59:35,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 15:59:35,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:35,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:59:35,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:35,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:59:35,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:59:35,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:35,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:59:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:59:35,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:35,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:35,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1130 proven. 138 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2020-09-24 15:59:35,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810176020] [2020-09-24 15:59:35,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:35,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 15:59:35,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573531979] [2020-09-24 15:59:35,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 15:59:35,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:35,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 15:59:35,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=440, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:59:35,507 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand 27 states. [2020-09-24 15:59:37,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:37,423 INFO L93 Difference]: Finished difference Result 281 states and 722 transitions. [2020-09-24 15:59:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-24 15:59:37,424 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 184 [2020-09-24 15:59:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:37,425 INFO L225 Difference]: With dead ends: 281 [2020-09-24 15:59:37,425 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:59:37,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=792, Invalid=1560, Unknown=0, NotChecked=0, Total=2352 [2020-09-24 15:59:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:59:37,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:59:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:59:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:59:37,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2020-09-24 15:59:37,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:37,430 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:59:37,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 15:59:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:59:37,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:59:37,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 15:59:37,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:59:37,699 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 3 [2020-09-24 15:59:37,704 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-24 15:59:37,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:59:37,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:59:37,705 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 15:59:37,705 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 15:59:37,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:59:37,705 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-09-24 15:59:37,705 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 9 15) the Hoare annotation is: true [2020-09-24 15:59:37,706 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 9 15) no Hoare annotation was computed. [2020-09-24 15:59:37,706 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-09-24 15:59:37,706 INFO L268 CegarLoopResult]: For program point L12(lines 12 14) no Hoare annotation was computed. [2020-09-24 15:59:37,706 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (= main_~input~0 20) [2020-09-24 15:59:37,706 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-09-24 15:59:37,707 INFO L268 CegarLoopResult]: For program point L12-2(lines 9 15) no Hoare annotation was computed. [2020-09-24 15:59:37,707 INFO L268 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-09-24 15:59:37,707 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-09-24 15:59:37,708 INFO L268 CegarLoopResult]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-24 15:59:37,708 INFO L268 CegarLoopResult]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-24 15:59:37,708 INFO L271 CegarLoopResult]: At program point idENTRY(lines 4 7) the Hoare annotation is: true [2020-09-24 15:59:37,708 INFO L264 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (= |id_#in~x| id_~x) [2020-09-24 15:59:37,708 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 15:59:37,708 INFO L268 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-09-24 15:59:37,708 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 15:59:37,708 INFO L268 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed. [2020-09-24 15:59:37,708 INFO L268 CegarLoopResult]: For program point L6-3(line 6) no Hoare annotation was computed. [2020-09-24 15:59:37,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:59:37 BoogieIcfgContainer [2020-09-24 15:59:37,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:59:37,736 INFO L168 Benchmark]: Toolchain (without parser) took 39816.32 ms. Allocated memory was 138.9 MB in the beginning and 798.5 MB in the end (delta: 659.6 MB). Free memory was 101.9 MB in the beginning and 230.8 MB in the end (delta: -129.0 MB). Peak memory consumption was 530.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:59:37,737 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 15:59:37,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.17 ms. Allocated memory is still 138.9 MB. Free memory was 101.2 MB in the beginning and 92.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:59:37,744 INFO L168 Benchmark]: Boogie Preprocessor took 33.24 ms. Allocated memory is still 138.9 MB. Free memory was 92.1 MB in the beginning and 90.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:59:37,745 INFO L168 Benchmark]: RCFGBuilder took 360.86 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 90.7 MB in the beginning and 169.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:59:37,746 INFO L168 Benchmark]: TraceAbstraction took 39072.90 ms. Allocated memory was 201.3 MB in the beginning and 798.5 MB in the end (delta: 597.2 MB). Free memory was 169.0 MB in the beginning and 230.8 MB in the end (delta: -61.8 MB). Peak memory consumption was 535.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:59:37,748 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 331.17 ms. Allocated memory is still 138.9 MB. Free memory was 101.2 MB in the beginning and 92.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.24 ms. Allocated memory is still 138.9 MB. Free memory was 92.1 MB in the beginning and 90.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 360.86 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 90.7 MB in the beginning and 169.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39072.90 ms. Allocated memory was 201.3 MB in the beginning and 798.5 MB in the end (delta: 597.2 MB). Free memory was 169.0 MB in the beginning and 230.8 MB in the end (delta: -61.8 MB). Peak memory consumption was 535.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.6s, OverallIterations: 22, TraceHistogramMax: 22, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 534 SDtfs, 1912 SDslu, 4792 SDs, 0 SdLazy, 4819 SolverSat, 364 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1143 GetRequests, 546 SyntacticMatches, 2 SemanticMatches, 595 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3216 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 49 PreInvPairs, 49 NumberOfFragments, 11 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 371 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 2200 NumberOfCodeBlocks, 2200 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2178 ConstructedInterpolants, 0 QuantifiedInterpolants, 782028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 1 PerfectInterpolantSequences, 5384/13244 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...