/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/fibo_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:58:34,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:58:34,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:58:34,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:58:34,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:58:34,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:58:34,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:58:34,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:58:34,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:58:34,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:58:34,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:58:34,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:58:34,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:58:34,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:58:34,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:58:34,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:58:34,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:58:34,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:58:34,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:58:34,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:58:34,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:58:34,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:58:34,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:58:34,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:58:34,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:58:34,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:58:34,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:58:34,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:58:34,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:58:34,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:58:34,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:58:34,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:58:34,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:58:34,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:58:34,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:58:34,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:58:34,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:58:34,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:58:34,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:58:34,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:58:34,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:58:34,390 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 15:58:34,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:58:34,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:58:34,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:58:34,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:58:34,445 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:58:34,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:58:34,446 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:58:34,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:58:34,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:58:34,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:58:34,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:58:34,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:58:34,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:58:34,448 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:58:34,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:58:34,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:58:34,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:58:34,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:58:34,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:58:34,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:58:34,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:58:34,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:58:34,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:58:34,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:58:34,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:58:34,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:58:34,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:58:34,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:58:34,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:58:34,452 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 15:58:34,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:58:34,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:58:34,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:58:34,953 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:58:34,954 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:58:34,956 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-1.c [2020-09-24 15:58:35,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5be1bdd93/b59ce43c4210442b9ed9ae77d6936ffe/FLAG9b4e5bfc9 [2020-09-24 15:58:35,620 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:58:35,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_5-1.c [2020-09-24 15:58:35,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5be1bdd93/b59ce43c4210442b9ed9ae77d6936ffe/FLAG9b4e5bfc9 [2020-09-24 15:58:35,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5be1bdd93/b59ce43c4210442b9ed9ae77d6936ffe [2020-09-24 15:58:36,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:58:36,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:58:36,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:36,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:58:36,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:58:36,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae4bde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36, skipping insertion in model container [2020-09-24 15:58:36,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:58:36,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:58:36,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:36,288 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:58:36,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:36,332 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:58:36,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36 WrapperNode [2020-09-24 15:58:36,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:36,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:58:36,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:58:36,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:58:36,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (1/1) ... [2020-09-24 15:58:36,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:58:36,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:58:36,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:58:36,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:58:36,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (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 15:58:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:58:36,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:58:36,544 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-09-24 15:58:36,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:58:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:58:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:58:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-09-24 15:58:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:58:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:58:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:58:36,761 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:58:36,762 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:58:36,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:36 BoogieIcfgContainer [2020-09-24 15:58:36,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:58:36,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:58:36,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:58:36,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:58:36,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:58:36" (1/3) ... [2020-09-24 15:58:36,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581b2d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:58:36, skipping insertion in model container [2020-09-24 15:58:36,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:36" (2/3) ... [2020-09-24 15:58:36,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581b2d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:58:36, skipping insertion in model container [2020-09-24 15:58:36,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:36" (3/3) ... [2020-09-24 15:58:36,796 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-1.c [2020-09-24 15:58:36,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:58:36,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:58:36,885 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:58:36,914 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:58:36,914 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:58:36,915 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:58:36,915 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:58:36,915 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:58:36,915 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:58:36,915 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:58:36,915 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:58:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-09-24 15:58:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-24 15:58:36,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:36,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:36,943 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:36,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:36,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-09-24 15:58:36,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:36,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717377281] [2020-09-24 15:58:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 15:58:37,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:58:37,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:58:37,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:37,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:37,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:37,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:58:37,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,276 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 15:58:37,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717377281] [2020-09-24 15:58:37,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:58:37,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:58:37,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262390953] [2020-09-24 15:58:37,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:58:37,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:37,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:58:37,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:58:37,305 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-09-24 15:58:37,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:37,429 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-09-24 15:58:37,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:58:37,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-24 15:58:37,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:37,445 INFO L225 Difference]: With dead ends: 44 [2020-09-24 15:58:37,446 INFO L226 Difference]: Without dead ends: 28 [2020-09-24 15:58:37,450 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 15:58:37,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-24 15:58:37,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-24 15:58:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-24 15:58:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-24 15:58:37,511 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-09-24 15:58:37,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:37,512 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-24 15:58:37,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:58:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-24 15:58:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-24 15:58:37,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:37,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:37,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:58:37,515 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:37,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-09-24 15:58:37,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:37,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095116323] [2020-09-24 15:58:37,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:58:37,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:37,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:37,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:37,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:37,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:37,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,613 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 15:58:37,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095116323] [2020-09-24 15:58:37,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:58:37,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:58:37,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566635388] [2020-09-24 15:58:37,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:58:37,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:37,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:58:37,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:58:37,618 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-09-24 15:58:37,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:37,680 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-09-24 15:58:37,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:58:37,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-24 15:58:37,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:37,682 INFO L225 Difference]: With dead ends: 36 [2020-09-24 15:58:37,683 INFO L226 Difference]: Without dead ends: 30 [2020-09-24 15:58:37,684 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 15:58:37,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-24 15:58:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-09-24 15:58:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-24 15:58:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-24 15:58:37,693 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-09-24 15:58:37,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:37,694 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-24 15:58:37,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:58:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-24 15:58:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 15:58:37,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:37,696 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:37,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:58:37,697 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:37,697 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-09-24 15:58:37,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:37,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511809337] [2020-09-24 15:58:37,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 15:58:37,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:58:37,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 15:58:37,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:37,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 15:58:37,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:37,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:58:37,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:37,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:37,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:37,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:37,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:58:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:37,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:37,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:58:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 15:58:37,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511809337] [2020-09-24 15:58:37,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:37,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:58:37,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886428136] [2020-09-24 15:58:37,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:58:37,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:37,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:58:37,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:37,918 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-09-24 15:58:38,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:38,035 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-09-24 15:58:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:58:38,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-24 15:58:38,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:38,038 INFO L225 Difference]: With dead ends: 52 [2020-09-24 15:58:38,038 INFO L226 Difference]: Without dead ends: 30 [2020-09-24 15:58:38,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:58:38,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-24 15:58:38,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-24 15:58:38,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-24 15:58:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-09-24 15:58:38,064 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-09-24 15:58:38,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:38,065 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-09-24 15:58:38,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:58:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-09-24 15:58:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-24 15:58:38,067 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:38,067 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:38,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:58:38,068 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:38,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:38,068 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-09-24 15:58:38,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:38,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931057021] [2020-09-24 15:58:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:58:38,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:38,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:58:38,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:38,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:38,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:38,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:38,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:38,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:38,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:38,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:38,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:38,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:38,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 15:58:38,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931057021] [2020-09-24 15:58:38,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:38,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:58:38,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461286312] [2020-09-24 15:58:38,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:58:38,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:38,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:58:38,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:38,266 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 7 states. [2020-09-24 15:58:38,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:38,397 INFO L93 Difference]: Finished difference Result 66 states and 87 transitions. [2020-09-24 15:58:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:58:38,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-09-24 15:58:38,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:38,401 INFO L225 Difference]: With dead ends: 66 [2020-09-24 15:58:38,401 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 15:58:38,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 15:58:38,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 15:58:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 15:58:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2020-09-24 15:58:38,413 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 34 [2020-09-24 15:58:38,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:38,413 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2020-09-24 15:58:38,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:58:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2020-09-24 15:58:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 15:58:38,416 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:38,416 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:38,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:58:38,417 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:38,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:38,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-09-24 15:58:38,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:38,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701455981] [2020-09-24 15:58:38,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:58:38,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:58:38,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:58:38,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:38,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:38,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:38,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:58:38,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 15:58:38,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:58:38,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:58:38,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:38,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:58:38,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:38,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:38,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:58:38,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:38,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:38,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:38,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:38,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 15:58:38,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701455981] [2020-09-24 15:58:38,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:38,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:38,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725901664] [2020-09-24 15:58:38,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:38,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:38,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:38,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:38,789 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand 9 states. [2020-09-24 15:58:38,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:38,937 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-09-24 15:58:38,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:58:38,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-09-24 15:58:38,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:38,940 INFO L225 Difference]: With dead ends: 89 [2020-09-24 15:58:38,941 INFO L226 Difference]: Without dead ends: 53 [2020-09-24 15:58:38,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:58:38,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-09-24 15:58:38,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2020-09-24 15:58:38,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-09-24 15:58:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2020-09-24 15:58:38,954 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 51 [2020-09-24 15:58:38,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:38,955 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2020-09-24 15:58:38,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2020-09-24 15:58:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 15:58:38,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:38,958 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:38,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:58:38,958 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:38,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:38,959 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-09-24 15:58:38,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:38,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764318527] [2020-09-24 15:58:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-24 15:58:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:38,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:58:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:39,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:39,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:39,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:39,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:39,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:39,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:39,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:39,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:39,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:39,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:39,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-24 15:58:39,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764318527] [2020-09-24 15:58:39,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:39,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:58:39,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028217048] [2020-09-24 15:58:39,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:58:39,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:39,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:58:39,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:58:39,193 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 8 states. [2020-09-24 15:58:39,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:39,366 INFO L93 Difference]: Finished difference Result 105 states and 144 transitions. [2020-09-24 15:58:39,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:58:39,367 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-24 15:58:39,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:39,369 INFO L225 Difference]: With dead ends: 105 [2020-09-24 15:58:39,369 INFO L226 Difference]: Without dead ends: 67 [2020-09-24 15:58:39,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 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 15:58:39,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-09-24 15:58:39,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-09-24 15:58:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-09-24 15:58:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 88 transitions. [2020-09-24 15:58:39,384 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 88 transitions. Word has length 52 [2020-09-24 15:58:39,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:39,384 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 88 transitions. [2020-09-24 15:58:39,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:58:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2020-09-24 15:58:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-24 15:58:39,389 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:39,389 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:39,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:58:39,390 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:39,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:39,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-09-24 15:58:39,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:39,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096350419] [2020-09-24 15:58:39,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:58:39,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:58:39,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:39,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:39,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:39,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:39,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:39,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-24 15:58:39,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:58:39,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:39,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:58:39,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:39,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:58:39,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:39,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:39,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:39,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:39,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:39,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:39,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:39,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:39,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:39,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:39,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:39,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:39,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:58:39,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:39,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:58:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:39,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:39,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:39,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:39,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:39,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:39,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:39,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:39,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:39,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:39,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:39,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 108 proven. 189 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2020-09-24 15:58:39,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096350419] [2020-09-24 15:58:39,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:39,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:58:39,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129354982] [2020-09-24 15:58:40,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:58:40,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:40,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:58:40,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:58:40,001 INFO L87 Difference]: Start difference. First operand 67 states and 88 transitions. Second operand 11 states. [2020-09-24 15:58:40,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:40,355 INFO L93 Difference]: Finished difference Result 145 states and 224 transitions. [2020-09-24 15:58:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:58:40,355 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-09-24 15:58:40,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:40,359 INFO L225 Difference]: With dead ends: 145 [2020-09-24 15:58:40,359 INFO L226 Difference]: Without dead ends: 73 [2020-09-24 15:58:40,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:58:40,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-09-24 15:58:40,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-09-24 15:58:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 15:58:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-09-24 15:58:40,374 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-09-24 15:58:40,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:40,374 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-09-24 15:58:40,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:58:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-09-24 15:58:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:58:40,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:40,378 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:40,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:58:40,379 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:40,379 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-09-24 15:58:40,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:40,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325772342] [2020-09-24 15:58:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:40,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:58:40,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:58:40,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-24 15:58:40,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:40,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:40,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:40,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:58:40,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:58:40,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:58:40,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:40,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 15:58:40,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:40,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:40,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:58:40,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:40,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:40,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:40,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:40,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:40,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:40,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:40,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:40,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:40,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:40,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:40,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:40,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:40,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:40,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:58:40,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 15:58:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:41,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:41,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:41,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:41,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:41,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:41,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:41,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:41,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:41,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:41,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:41,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:41,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:41,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:41,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:41,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:41,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:41,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:41,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:41,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:41,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 377 proven. 439 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2020-09-24 15:58:41,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325772342] [2020-09-24 15:58:41,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:41,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:58:41,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838976278] [2020-09-24 15:58:41,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:58:41,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:41,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:58:41,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:58:41,355 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 14 states. [2020-09-24 15:58:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:41,847 INFO L93 Difference]: Finished difference Result 149 states and 207 transitions. [2020-09-24 15:58:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:58:41,848 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 193 [2020-09-24 15:58:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:41,850 INFO L225 Difference]: With dead ends: 149 [2020-09-24 15:58:41,851 INFO L226 Difference]: Without dead ends: 92 [2020-09-24 15:58:41,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:58:41,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-09-24 15:58:41,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 76. [2020-09-24 15:58:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-24 15:58:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2020-09-24 15:58:41,864 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 193 [2020-09-24 15:58:41,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:41,864 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2020-09-24 15:58:41,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:58:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2020-09-24 15:58:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-24 15:58:41,867 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:41,867 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:41,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:58:41,867 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:41,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:41,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1618484333, now seen corresponding path program 6 times [2020-09-24 15:58:41,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:41,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115478500] [2020-09-24 15:58:41,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:58:42,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-24 15:58:42,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:58:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-24 15:58:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-24 15:58:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:42,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:58:42,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-24 15:58:42,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:58:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:58:42,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:42,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:58:42,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:42,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:58:42,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:58:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-24 15:58:42,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:42,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:42,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:58:42,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:58:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:42,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:42,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:42,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:42,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:58:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:42,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:42,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:42,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:42,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:42,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:58:42,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:42,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:42,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:42,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:42,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:58:42,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:43,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:43,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:58:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:43,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:43,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:43,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:43,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:43,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:43,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:43,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:43,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:43,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2020-09-24 15:58:43,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115478500] [2020-09-24 15:58:43,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:43,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:58:43,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908044961] [2020-09-24 15:58:43,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:58:43,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:43,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:58:43,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:58:43,184 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 17 states. [2020-09-24 15:58:43,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:43,606 INFO L93 Difference]: Finished difference Result 96 states and 113 transitions. [2020-09-24 15:58:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:58:43,607 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 140 [2020-09-24 15:58:43,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:43,609 INFO L225 Difference]: With dead ends: 96 [2020-09-24 15:58:43,609 INFO L226 Difference]: Without dead ends: 90 [2020-09-24 15:58:43,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 43 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:58:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-09-24 15:58:43,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-09-24 15:58:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-24 15:58:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 106 transitions. [2020-09-24 15:58:43,621 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 106 transitions. Word has length 140 [2020-09-24 15:58:43,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:43,622 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 106 transitions. [2020-09-24 15:58:43,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:58:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2020-09-24 15:58:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:58:43,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:43,625 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:43,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:58:43,625 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:43,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:43,626 INFO L82 PathProgramCache]: Analyzing trace with hash 10278533, now seen corresponding path program 7 times [2020-09-24 15:58:43,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:43,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172632926] [2020-09-24 15:58:43,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:58:43,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:58:43,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:58:43,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:43,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:43,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:43,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:58:43,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:58:43,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:58:43,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:43,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 15:58:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:58:43,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:43,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:43,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:58:43,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:43,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:43,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:43,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:43,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:44,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:44,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:44,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:44,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:44,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:44,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:58:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:44,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:44,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:44,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:44,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:44,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:44,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:44,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:44,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 400 proven. 331 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2020-09-24 15:58:44,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172632926] [2020-09-24 15:58:44,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:44,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:58:44,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291163799] [2020-09-24 15:58:44,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:58:44,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:44,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:58:44,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:58:44,496 INFO L87 Difference]: Start difference. First operand 90 states and 106 transitions. Second operand 13 states. [2020-09-24 15:58:45,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:45,023 INFO L93 Difference]: Finished difference Result 174 states and 226 transitions. [2020-09-24 15:58:45,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:58:45,027 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-09-24 15:58:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:45,028 INFO L225 Difference]: With dead ends: 174 [2020-09-24 15:58:45,028 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:58:45,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:58:45,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:58:45,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:58:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:58:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:58:45,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2020-09-24 15:58:45,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:45,031 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:58:45,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:58:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:58:45,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:58:45,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:58:45,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:58:46,009 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 33 [2020-09-24 15:58:46,213 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 6 [2020-09-24 15:58:46,217 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-24 15:58:46,218 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:58:46,218 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:58:46,218 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 15:58:46,218 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 15:58:46,218 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:58:46,218 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2020-09-24 15:58:46,219 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 23 30) the Hoare annotation is: true [2020-09-24 15:58:46,219 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-09-24 15:58:46,219 INFO L268 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-09-24 15:58:46,219 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= main_~x~0 5) (<= 5 main_~x~0)) [2020-09-24 15:58:46,219 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 23 30) no Hoare annotation was computed. [2020-09-24 15:58:46,219 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-09-24 15:58:46,219 INFO L268 CegarLoopResult]: For program point L26-2(lines 26 28) no Hoare annotation was computed. [2020-09-24 15:58:46,220 INFO L268 CegarLoopResult]: For program point L25-2(line 25) no Hoare annotation was computed. [2020-09-24 15:58:46,220 INFO L268 CegarLoopResult]: For program point L25-3(line 25) no Hoare annotation was computed. [2020-09-24 15:58:46,220 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 23 30) no Hoare annotation was computed. [2020-09-24 15:58:46,220 INFO L268 CegarLoopResult]: For program point fiboEXIT(lines 5 13) no Hoare annotation was computed. [2020-09-24 15:58:46,220 INFO L268 CegarLoopResult]: For program point fiboFINAL(lines 5 13) no Hoare annotation was computed. [2020-09-24 15:58:46,220 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (<= 2 |fibo_#in~n|) (= fibo_~n |fibo_#in~n|)) [2020-09-24 15:58:46,220 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-09-24 15:58:46,221 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-24 15:58:46,222 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (and (or (<= fibo_~n 4) (<= 6 fibo_~n) (and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))) (let ((.cse0 (<= 1 |fibo_#t~ret0|)) (.cse1 (<= |fibo_#t~ret0| 1)) (.cse2 (= fibo_~n |fibo_#in~n|))) (or (and .cse0 (<= 2 |fibo_#in~n|) .cse1 (<= |fibo_#in~n| 2) .cse2) (and (<= 2 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 2) .cse2 (<= 4 |fibo_#in~n|)) (and .cse0 .cse1 .cse2 (<= 3 |fibo_#in~n|) (<= |fibo_#in~n| 3)) (and (<= 5 fibo_~n) .cse2)))) [2020-09-24 15:58:46,222 INFO L268 CegarLoopResult]: For program point L8(lines 8 12) no Hoare annotation was computed. [2020-09-24 15:58:46,222 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-09-24 15:58:46,222 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-24 15:58:46,222 INFO L268 CegarLoopResult]: For program point L11-4(line 11) no Hoare annotation was computed. [2020-09-24 15:58:46,223 INFO L268 CegarLoopResult]: For program point L6(lines 6 12) no Hoare annotation was computed. [2020-09-24 15:58:46,223 INFO L268 CegarLoopResult]: For program point L11-5(line 11) no Hoare annotation was computed. [2020-09-24 15:58:46,224 INFO L271 CegarLoopResult]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2020-09-24 15:58:46,224 INFO L268 CegarLoopResult]: For program point L11-6(line 11) no Hoare annotation was computed. [2020-09-24 15:58:46,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:58:46 BoogieIcfgContainer [2020-09-24 15:58:46,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:58:46,236 INFO L168 Benchmark]: Toolchain (without parser) took 10217.25 ms. Allocated memory was 138.9 MB in the beginning and 372.2 MB in the end (delta: 233.3 MB). Free memory was 101.1 MB in the beginning and 266.2 MB in the end (delta: -165.1 MB). Peak memory consumption was 245.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:46,237 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-24 15:58:46,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.12 ms. Allocated memory is still 138.9 MB. Free memory was 100.5 MB in the beginning and 91.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:46,241 INFO L168 Benchmark]: Boogie Preprocessor took 38.91 ms. Allocated memory is still 138.9 MB. Free memory was 91.3 MB in the beginning and 89.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:46,245 INFO L168 Benchmark]: RCFGBuilder took 393.32 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 89.7 MB in the beginning and 169.3 MB in the end (delta: -79.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:46,246 INFO L168 Benchmark]: TraceAbstraction took 9448.89 ms. Allocated memory was 201.9 MB in the beginning and 372.2 MB in the end (delta: 170.4 MB). Free memory was 168.7 MB in the beginning and 266.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 249.8 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:46,255 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 311.12 ms. Allocated memory is still 138.9 MB. Free memory was 100.5 MB in the beginning and 91.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.91 ms. Allocated memory is still 138.9 MB. Free memory was 91.3 MB in the beginning and 89.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 393.32 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 89.7 MB in the beginning and 169.3 MB in the end (delta: -79.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9448.89 ms. Allocated memory was 201.9 MB in the beginning and 372.2 MB in the end (delta: 170.4 MB). Free memory was 168.7 MB in the beginning and 266.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 249.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: 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, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.1s, OverallIterations: 10, TraceHistogramMax: 21, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 524 SDslu, 1349 SDs, 0 SdLazy, 1241 SolverSat, 253 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 216 SyntacticMatches, 16 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=9, 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, 10 MinimizatonAttempts, 27 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 161 PreInvPairs, 203 NumberOfFragments, 87 HoareAnnotationTreeSize, 161 FomulaSimplifications, 623 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2795 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 842 ConstructedInterpolants, 0 QuantifiedInterpolants, 369847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 2648/3896 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...