/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/Fibonacci01-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:56:42,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:56:42,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:56:42,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:56:42,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:56:42,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:56:42,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:56:42,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:56:42,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:56:42,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:56:42,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:56:42,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:56:42,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:56:42,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:56:42,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:56:42,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:56:42,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:56:42,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:56:42,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:56:42,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:56:42,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:56:42,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:56:42,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:56:42,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:56:42,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:56:42,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:56:42,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:56:42,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:56:42,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:56:42,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:56:42,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:56:42,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:56:42,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:56:42,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:56:42,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:56:42,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:56:42,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:56:42,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:56:42,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:56:42,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:56:42,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:56:42,549 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 15:56:42,599 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:56:42,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:56:42,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:56:42,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:56:42,603 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:56:42,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:56:42,604 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:56:42,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:56:42,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:56:42,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:56:42,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:56:42,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:56:42,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:56:42,607 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:56:42,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:56:42,607 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:56:42,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:56:42,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:56:42,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:56:42,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:56:42,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:56:42,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:56:42,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:56:42,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:56:42,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:56:42,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:56:42,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:56:42,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:56:42,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:56:42,611 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 15:56:43,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:56:43,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:56:43,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:56:43,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:56:43,117 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:56:43,118 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci01-1.c [2020-09-24 15:56:43,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d5e1efff/f63cc187241b46ef8dc0a4efda2ae10e/FLAGec81086ce [2020-09-24 15:56:43,780 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:56:43,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci01-1.c [2020-09-24 15:56:43,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d5e1efff/f63cc187241b46ef8dc0a4efda2ae10e/FLAGec81086ce [2020-09-24 15:56:44,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d5e1efff/f63cc187241b46ef8dc0a4efda2ae10e [2020-09-24 15:56:44,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:56:44,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:56:44,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:44,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:56:44,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:56:44,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e0ef97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44, skipping insertion in model container [2020-09-24 15:56:44,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:56:44,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:56:44,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:44,381 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:56:44,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:44,412 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:56:44,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44 WrapperNode [2020-09-24 15:56:44,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:44,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:56:44,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:56:44,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:56:44,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (1/1) ... [2020-09-24 15:56:44,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:56:44,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:56:44,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:56:44,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:56:44,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (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 15:56:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:56:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:56:44,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-09-24 15:56:44,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:56:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:56:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:56:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-09-24 15:56:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:56:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:56:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:56:44,807 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:56:44,808 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:56:44,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:44 BoogieIcfgContainer [2020-09-24 15:56:44,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:56:44,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:56:44,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:56:44,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:56:44,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:56:44" (1/3) ... [2020-09-24 15:56:44,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2175ca27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:44, skipping insertion in model container [2020-09-24 15:56:44,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:44" (2/3) ... [2020-09-24 15:56:44,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2175ca27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:44, skipping insertion in model container [2020-09-24 15:56:44,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:44" (3/3) ... [2020-09-24 15:56:44,825 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci01-1.c [2020-09-24 15:56:44,838 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:56:44,850 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:56:44,881 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:56:44,919 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:56:44,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:56:44,920 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:56:44,920 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:56:44,920 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:56:44,920 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:56:44,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:56:44,921 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:56:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-09-24 15:56:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-24 15:56:44,958 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:44,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:44,960 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:44,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:44,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1379859160, now seen corresponding path program 1 times [2020-09-24 15:56:44,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:44,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929699266] [2020-09-24 15:56:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 15:56:45,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 15:56:45,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:56:45,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:56:45,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:45,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:45,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:45,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:45,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:45,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:45,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,359 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 15:56:45,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929699266] [2020-09-24 15:56:45,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:56:45,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:56:45,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902232046] [2020-09-24 15:56:45,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:56:45,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:45,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:56:45,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:56:45,391 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 7 states. [2020-09-24 15:56:45,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:45,620 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2020-09-24 15:56:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:56:45,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-09-24 15:56:45,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:45,637 INFO L225 Difference]: With dead ends: 50 [2020-09-24 15:56:45,637 INFO L226 Difference]: Without dead ends: 31 [2020-09-24 15:56:45,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:56:45,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-24 15:56:45,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-09-24 15:56:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-24 15:56:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-09-24 15:56:45,711 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 19 [2020-09-24 15:56:45,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:45,712 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-09-24 15:56:45,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:56:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-09-24 15:56:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-24 15:56:45,715 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:45,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:45,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:56:45,716 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:45,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash -2056866127, now seen corresponding path program 1 times [2020-09-24 15:56:45,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:45,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1478944728] [2020-09-24 15:56:45,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:56:45,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:56:45,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:56:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 15:56:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:45,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:45,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:45,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:45,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:45,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:45,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:45,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,887 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 15:56:45,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1478944728] [2020-09-24 15:56:45,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:56:45,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:56:45,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470196157] [2020-09-24 15:56:45,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:56:45,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:45,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:56:45,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:56:45,892 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 7 states. [2020-09-24 15:56:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:46,044 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2020-09-24 15:56:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:56:46,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-09-24 15:56:46,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:46,047 INFO L225 Difference]: With dead ends: 39 [2020-09-24 15:56:46,047 INFO L226 Difference]: Without dead ends: 33 [2020-09-24 15:56:46,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:56:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-24 15:56:46,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2020-09-24 15:56:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-24 15:56:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-09-24 15:56:46,058 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 20 [2020-09-24 15:56:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:46,058 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-09-24 15:56:46,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:56:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-09-24 15:56:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-24 15:56:46,061 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:46,061 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, 1, 1, 1] [2020-09-24 15:56:46,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:56:46,062 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:46,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:46,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1274124978, now seen corresponding path program 1 times [2020-09-24 15:56:46,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:46,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140320232] [2020-09-24 15:56:46,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:56:46,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:56:46,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:56:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-24 15:56:46,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:46,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 15:56:46,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:46,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:56:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:46,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:46,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:46,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:46,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:56:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:46,278 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 15:56:46,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140320232] [2020-09-24 15:56:46,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:46,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 15:56:46,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184490267] [2020-09-24 15:56:46,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:56:46,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:46,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:56:46,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:56:46,281 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 6 states. [2020-09-24 15:56:46,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:46,361 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2020-09-24 15:56:46,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:56:46,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-09-24 15:56:46,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:46,363 INFO L225 Difference]: With dead ends: 55 [2020-09-24 15:56:46,364 INFO L226 Difference]: Without dead ends: 33 [2020-09-24 15:56:46,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:56:46,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-24 15:56:46,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-09-24 15:56:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-24 15:56:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-09-24 15:56:46,373 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 36 [2020-09-24 15:56:46,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:46,374 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-09-24 15:56:46,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:56:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-09-24 15:56:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 15:56:46,376 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:46,376 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, 1, 1, 1] [2020-09-24 15:56:46,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:56:46,377 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:46,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:46,378 INFO L82 PathProgramCache]: Analyzing trace with hash -2043121517, now seen corresponding path program 1 times [2020-09-24 15:56:46,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:46,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262146776] [2020-09-24 15:56:46,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:56:46,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:56:46,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:56:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:46,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:46,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:46,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:46,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 15:56:46,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:46,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:46,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:56:46,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:46,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:46,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:46,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 15:56:46,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262146776] [2020-09-24 15:56:46,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:46,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:56:46,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154206013] [2020-09-24 15:56:46,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:56:46,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:46,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:56:46,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:56:46,774 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 12 states. [2020-09-24 15:56:47,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:47,110 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-09-24 15:56:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:56:47,111 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2020-09-24 15:56:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:47,113 INFO L225 Difference]: With dead ends: 51 [2020-09-24 15:56:47,114 INFO L226 Difference]: Without dead ends: 45 [2020-09-24 15:56:47,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:56:47,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-24 15:56:47,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-09-24 15:56:47,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-09-24 15:56:47,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-09-24 15:56:47,126 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 37 [2020-09-24 15:56:47,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:47,126 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-09-24 15:56:47,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:56:47,127 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-09-24 15:56:47,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-24 15:56:47,131 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:47,131 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:47,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:56:47,132 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:47,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:47,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1985616609, now seen corresponding path program 1 times [2020-09-24 15:56:47,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:47,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532157239] [2020-09-24 15:56:47,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 15:56:47,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:47,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:47,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:47,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:56:47,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:47,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:47,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:56:47,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:47,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:47,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:56:47,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:47,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:47,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:47,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:56:47,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:47,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:47,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:47,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:47,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-24 15:56:47,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532157239] [2020-09-24 15:56:47,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:47,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:56:47,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290480568] [2020-09-24 15:56:47,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:56:47,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:47,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:56:47,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:56:47,377 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 7 states. [2020-09-24 15:56:47,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:47,524 INFO L93 Difference]: Finished difference Result 76 states and 100 transitions. [2020-09-24 15:56:47,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:56:47,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-09-24 15:56:47,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:47,526 INFO L225 Difference]: With dead ends: 76 [2020-09-24 15:56:47,526 INFO L226 Difference]: Without dead ends: 43 [2020-09-24 15:56:47,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:56:47,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-24 15:56:47,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-09-24 15:56:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-09-24 15:56:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2020-09-24 15:56:47,535 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 56 [2020-09-24 15:56:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:47,535 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2020-09-24 15:56:47,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:56:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2020-09-24 15:56:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-24 15:56:47,537 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:47,538 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:47,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:56:47,538 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:47,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:47,539 INFO L82 PathProgramCache]: Analyzing trace with hash 847598467, now seen corresponding path program 2 times [2020-09-24 15:56:47,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:47,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42024368] [2020-09-24 15:56:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:56:47,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:47,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:56:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:47,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:47,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 15:56:47,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:47,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:56:47,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:47,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:47,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:47,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:47,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:47,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:47,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:47,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:47,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:47,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:47,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:47,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:47,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:47,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 15:56:47,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42024368] [2020-09-24 15:56:47,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:47,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:56:47,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091177107] [2020-09-24 15:56:47,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:56:47,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:47,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:56:47,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:56:47,714 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand 8 states. [2020-09-24 15:56:47,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:47,833 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2020-09-24 15:56:47,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:56:47,834 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-09-24 15:56:47,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:47,835 INFO L225 Difference]: With dead ends: 77 [2020-09-24 15:56:47,835 INFO L226 Difference]: Without dead ends: 43 [2020-09-24 15:56:47,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:56:47,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-24 15:56:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-09-24 15:56:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-09-24 15:56:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-09-24 15:56:47,844 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 54 [2020-09-24 15:56:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:47,844 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-09-24 15:56:47,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:56:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-09-24 15:56:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-24 15:56:47,846 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:47,846 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, 1, 1, 1] [2020-09-24 15:56:47,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:56:47,847 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:47,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1275966376, now seen corresponding path program 3 times [2020-09-24 15:56:47,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:47,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401847329] [2020-09-24 15:56:47,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:47,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:56:47,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:56:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:56:47,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:47,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:47,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:47,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:47,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:56:47,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:47,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:47,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:48,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:56:48,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:48,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:48,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:48,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:48,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:48,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-24 15:56:48,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401847329] [2020-09-24 15:56:48,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:48,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:56:48,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900045525] [2020-09-24 15:56:48,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:56:48,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:48,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:56:48,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:56:48,229 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 14 states. [2020-09-24 15:56:48,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:48,594 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2020-09-24 15:56:48,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:56:48,595 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-09-24 15:56:48,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:48,597 INFO L225 Difference]: With dead ends: 61 [2020-09-24 15:56:48,597 INFO L226 Difference]: Without dead ends: 55 [2020-09-24 15:56:48,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:56:48,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-24 15:56:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2020-09-24 15:56:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-24 15:56:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2020-09-24 15:56:48,607 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 55 [2020-09-24 15:56:48,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:48,607 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2020-09-24 15:56:48,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:56:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2020-09-24 15:56:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-24 15:56:48,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:48,609 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:48,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:56:48,610 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:48,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:48,610 INFO L82 PathProgramCache]: Analyzing trace with hash -778718797, now seen corresponding path program 4 times [2020-09-24 15:56:48,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:48,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241466571] [2020-09-24 15:56:48,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:48,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-24 15:56:48,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:48,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 15:56:48,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:48,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:48,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:48,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:56:48,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 15:56:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:48,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:48,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:48,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:48,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:48,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:48,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:48,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:48,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:48,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:48,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:48,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:48,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:56:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:48,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:48,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:48,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 59 proven. 70 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-24 15:56:48,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241466571] [2020-09-24 15:56:48,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:48,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:56:48,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647199701] [2020-09-24 15:56:48,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:56:48,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:48,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:56:48,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:56:48,874 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand 8 states. [2020-09-24 15:56:49,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:49,060 INFO L93 Difference]: Finished difference Result 98 states and 127 transitions. [2020-09-24 15:56:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:56:49,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-09-24 15:56:49,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:49,063 INFO L225 Difference]: With dead ends: 98 [2020-09-24 15:56:49,063 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 15:56:49,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:56:49,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 15:56:49,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 56. [2020-09-24 15:56:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-24 15:56:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2020-09-24 15:56:49,073 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 90 [2020-09-24 15:56:49,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:49,074 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2020-09-24 15:56:49,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:56:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2020-09-24 15:56:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-24 15:56:49,076 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:49,076 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, 1, 1, 1] [2020-09-24 15:56:49,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:56:49,077 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:49,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:49,077 INFO L82 PathProgramCache]: Analyzing trace with hash 237402259, now seen corresponding path program 5 times [2020-09-24 15:56:49,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:49,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076766135] [2020-09-24 15:56:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:49,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-24 15:56:49,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:56:49,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:56:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:49,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:49,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:49,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-24 15:56:49,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:56:49,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:56:49,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:49,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:56:49,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:49,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:49,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:49,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:56:49,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:49,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:49,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:49,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:49,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:49,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:49,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:49,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:49,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:49,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:49,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:49,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:56:49,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:49,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:56:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:49,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:49,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:49,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:49,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:49,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:49,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:49,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:49,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:49,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:49,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:49,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:49,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:49,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:49,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:49,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,585 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 15:56:49,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076766135] [2020-09-24 15:56:49,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:49,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:56:49,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443106176] [2020-09-24 15:56:49,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:56:49,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:49,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:56:49,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:56:49,588 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand 10 states. [2020-09-24 15:56:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:49,880 INFO L93 Difference]: Finished difference Result 124 states and 166 transitions. [2020-09-24 15:56:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:56:49,881 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 126 [2020-09-24 15:56:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:49,885 INFO L225 Difference]: With dead ends: 124 [2020-09-24 15:56:49,885 INFO L226 Difference]: Without dead ends: 77 [2020-09-24 15:56:49,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:56:49,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-24 15:56:49,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 66. [2020-09-24 15:56:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-24 15:56:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2020-09-24 15:56:49,900 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 126 [2020-09-24 15:56:49,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:49,900 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2020-09-24 15:56:49,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:56:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2020-09-24 15:56:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-24 15:56:49,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:49,902 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:49,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:56:49,902 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:49,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1698410615, now seen corresponding path program 6 times [2020-09-24 15:56:49,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:49,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665792113] [2020-09-24 15:56:49,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-24 15:56:50,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 15:56:50,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:56:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:56:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:56:50,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:50,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 15:56:50,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:56:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:56:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:50,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:56:50,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:50,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:56:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:50,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:56:50,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:50,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:50,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:50,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:50,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:50,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:50,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:50,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:50,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:50,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:50,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:50,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:50,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:50,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:50,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:56:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:50,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:50,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:50,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-09-24 15:56:50,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665792113] [2020-09-24 15:56:50,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:50,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 15:56:50,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712806175] [2020-09-24 15:56:50,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 15:56:50,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:50,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 15:56:50,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2020-09-24 15:56:50,677 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand 20 states. [2020-09-24 15:56:51,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:51,233 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2020-09-24 15:56:51,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:56:51,235 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 90 [2020-09-24 15:56:51,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:51,238 INFO L225 Difference]: With dead ends: 93 [2020-09-24 15:56:51,239 INFO L226 Difference]: Without dead ends: 87 [2020-09-24 15:56:51,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=285, Invalid=1197, Unknown=0, NotChecked=0, Total=1482 [2020-09-24 15:56:51,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-09-24 15:56:51,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2020-09-24 15:56:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-24 15:56:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 103 transitions. [2020-09-24 15:56:51,268 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 103 transitions. Word has length 90 [2020-09-24 15:56:51,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:51,269 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 103 transitions. [2020-09-24 15:56:51,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-24 15:56:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2020-09-24 15:56:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-24 15:56:51,271 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:51,271 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, 1, 1, 1] [2020-09-24 15:56:51,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:56:51,274 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:51,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:51,274 INFO L82 PathProgramCache]: Analyzing trace with hash -376429873, now seen corresponding path program 7 times [2020-09-24 15:56:51,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:51,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599495334] [2020-09-24 15:56:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:51,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-24 15:56:51,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 15:56:51,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:56:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 15:56:51,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:51,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:51,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:51,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:56:51,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:56:51,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:56:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 15:56:51,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:51,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:51,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:56:51,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:56:51,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:51,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:51,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:56:51,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:51,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:56:51,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:51,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:51,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:51,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:51,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:51,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:51,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:51,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:51,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:51,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:51,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:51,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:51,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:56:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:56:51,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:56:51,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:51,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:51,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 15:56:51,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:51,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:51,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:56:51,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:51,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:51,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:52,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:52,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:52,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:52,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:52,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:52,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:52,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:52,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:52,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:52,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:52,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:56:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:52,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:52,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:52,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:52,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 382 proven. 445 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-09-24 15:56:52,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599495334] [2020-09-24 15:56:52,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:52,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:56:52,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536964510] [2020-09-24 15:56:52,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:56:52,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:52,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:56:52,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:56:52,207 INFO L87 Difference]: Start difference. First operand 82 states and 103 transitions. Second operand 14 states. [2020-09-24 15:56:52,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:52,651 INFO L93 Difference]: Finished difference Result 179 states and 272 transitions. [2020-09-24 15:56:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:56:52,651 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 196 [2020-09-24 15:56:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:52,654 INFO L225 Difference]: With dead ends: 179 [2020-09-24 15:56:52,654 INFO L226 Difference]: Without dead ends: 106 [2020-09-24 15:56:52,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:56:52,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-09-24 15:56:52,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 93. [2020-09-24 15:56:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-24 15:56:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2020-09-24 15:56:52,668 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 196 [2020-09-24 15:56:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:52,668 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2020-09-24 15:56:52,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:56:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2020-09-24 15:56:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 15:56:52,676 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:52,676 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:52,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:56:52,677 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:52,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:52,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1412036242, now seen corresponding path program 8 times [2020-09-24 15:56:52,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:52,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030401682] [2020-09-24 15:56:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:52,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-09-24 15:56:52,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:56:52,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-09-24 15:56:52,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:52,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:52,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:52,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-09-24 15:56:52,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:56:52,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-09-24 15:56:52,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:53,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:53,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:56:53,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:56:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:53,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:53,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:56:53,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:56:53,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:53,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:53,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:56:53,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:53,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:56:53,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:53,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:56:53,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:53,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:53,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:53,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:53,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:53,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:53,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:53,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:53,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:53,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:56:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:53,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:56:53,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:53,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:56:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:53,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:53,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:56:53,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-24 15:56:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:53,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:53,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:56:53,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:53,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:56:53,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:53,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:53,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:53,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:53,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:56:53,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:53,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:53,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:53,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:53,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:53,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:53,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:53,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:53,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:53,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:53,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:56:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:53,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:53,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:56:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:53,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:53,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:53,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:53,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 496 proven. 984 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2020-09-24 15:56:54,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030401682] [2020-09-24 15:56:54,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:54,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:56:54,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016886062] [2020-09-24 15:56:54,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:56:54,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:54,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:56:54,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:56:54,071 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand 14 states. [2020-09-24 15:56:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:54,610 INFO L93 Difference]: Finished difference Result 200 states and 295 transitions. [2020-09-24 15:56:54,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:56:54,611 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 284 [2020-09-24 15:56:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:54,613 INFO L225 Difference]: With dead ends: 200 [2020-09-24 15:56:54,613 INFO L226 Difference]: Without dead ends: 118 [2020-09-24 15:56:54,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:56:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-24 15:56:54,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 99. [2020-09-24 15:56:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-24 15:56:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 120 transitions. [2020-09-24 15:56:54,627 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 120 transitions. Word has length 284 [2020-09-24 15:56:54,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:54,627 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 120 transitions. [2020-09-24 15:56:54,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:56:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-09-24 15:56:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-24 15:56:54,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:54,631 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:54,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 15:56:54,631 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:54,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:54,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1092378888, now seen corresponding path program 9 times [2020-09-24 15:56:54,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:54,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405096241] [2020-09-24 15:56:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-24 15:56:55,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-09-24 15:56:55,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 65 [2020-09-24 15:56:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:56:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 271 [2020-09-24 15:56:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:55,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:55,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:55,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:56:55,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-09-24 15:56:55,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-09-24 15:56:55,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-09-24 15:56:55,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:56,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-24 15:56:56,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 15:56:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:56:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:56,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:56,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-09-24 15:56:56,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:56:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:56:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:56,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:56:56,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:56,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:56,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:56,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:56,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:56,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:56,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:56,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:56,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:56,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:56,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:56,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:56,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:56,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:56,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:56:56,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:56,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:56,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:56,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:56,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:56,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:56:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:56,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:56:56,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:56,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:56:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:56,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:56,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:56:56,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:56,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:56:56,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:56,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:56,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:56,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:57,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:57,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:57,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:57,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:56:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:57,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:56:57,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:56:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:56:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:57,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:57,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:57,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-24 15:56:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:57,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:57,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:56:57,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:57,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:57,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:56:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:57,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:57,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:57,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:57,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:57,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:57,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:57,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:57,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:57,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:57,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:56:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:57,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:57,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:57,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:57,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:57,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 172 proven. 920 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2020-09-24 15:56:57,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405096241] [2020-09-24 15:56:57,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:57,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 15:56:57,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421997596] [2020-09-24 15:56:57,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 15:56:57,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:57,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 15:56:57,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:56:57,589 INFO L87 Difference]: Start difference. First operand 99 states and 120 transitions. Second operand 27 states. [2020-09-24 15:56:58,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:58,800 INFO L93 Difference]: Finished difference Result 105 states and 125 transitions. [2020-09-24 15:56:58,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 15:56:58,800 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 231 [2020-09-24 15:56:58,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:58,803 INFO L225 Difference]: With dead ends: 105 [2020-09-24 15:56:58,803 INFO L226 Difference]: Without dead ends: 99 [2020-09-24 15:56:58,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=584, Invalid=2722, Unknown=0, NotChecked=0, Total=3306 [2020-09-24 15:56:58,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-09-24 15:56:58,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-09-24 15:56:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-24 15:56:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 119 transitions. [2020-09-24 15:56:58,814 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 119 transitions. Word has length 231 [2020-09-24 15:56:58,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:58,815 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 119 transitions. [2020-09-24 15:56:58,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 15:56:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2020-09-24 15:56:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 15:56:58,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:58,820 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:58,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 15:56:58,820 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:58,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1310772126, now seen corresponding path program 10 times [2020-09-24 15:56:58,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:58,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173863725] [2020-09-24 15:56:58,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-09-24 15:56:58,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:56:58,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 286 [2020-09-24 15:56:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:58,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:58,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:58,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:58,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-24 15:56:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-09-24 15:56:59,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:56:59,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:56:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 286 [2020-09-24 15:56:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:56:59,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:59,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:59,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-09-24 15:56:59,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:59,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:56:59,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:56:59,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:59,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:56:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:59,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:59,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:59,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:56:59,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:59,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:59,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:59,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:59,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:59,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:56:59,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:56:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:59,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:59,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:59,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:56:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:56:59,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:59,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:56:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:59,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:59,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:59,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:56:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:59,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:59,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:56:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:59,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:59,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:56:59,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:59,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:59,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:56:59,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:56:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:59,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:59,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:56:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:56:59,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:56:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:56:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:59,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:59,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 733 proven. 682 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2020-09-24 15:57:00,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173863725] [2020-09-24 15:57:00,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:00,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:57:00,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687383396] [2020-09-24 15:57:00,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:57:00,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:00,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:57:00,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:57:00,040 INFO L87 Difference]: Start difference. First operand 99 states and 119 transitions. Second operand 14 states. [2020-09-24 15:57:00,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:00,383 INFO L93 Difference]: Finished difference Result 182 states and 234 transitions. [2020-09-24 15:57:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:57:00,383 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 284 [2020-09-24 15:57:00,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:00,384 INFO L225 Difference]: With dead ends: 182 [2020-09-24 15:57:00,384 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:57:00,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:57:00,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:57:00,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:57:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:57:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:57:00,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2020-09-24 15:57:00,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:00,387 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:57:00,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:57:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:57:00,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:57:00,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 15:57:00,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:57:01,012 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-09-24 15:57:01,620 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2020-09-24 15:57:01,624 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-09-24 15:57:01,625 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-09-24 15:57:01,625 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-09-24 15:57:01,625 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-09-24 15:57:01,625 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-24 15:57:01,626 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (let ((.cse0 (<= fibonacci_~n |fibonacci_#in~n|)) (.cse2 (= |fibonacci_#t~ret0| 1)) (.cse1 (= fibonacci_~n |fibonacci_#in~n|))) (or (and (<= 4 fibonacci_~n) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 4) .cse0) (and (<= |fibonacci_#in~n| (+ |fibonacci_#t~ret0| 2)) (<= 5 |fibonacci_#in~n|) .cse1 (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#in~n| 2) .cse2 (< 1 fibonacci_~n) .cse0) (and (<= |fibonacci_#in~n| (+ |fibonacci_#t~ret0| 1)) (<= 6 fibonacci_~n) .cse1) (and .cse2 .cse1 (<= 3 |fibonacci_#in~n|) (<= fibonacci_~n 3)))) [2020-09-24 15:57:01,626 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-09-24 15:57:01,626 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-09-24 15:57:01,626 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-09-24 15:57:01,626 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 15:57:01,626 INFO L268 CegarLoopResult]: For program point L20-4(line 20) no Hoare annotation was computed. [2020-09-24 15:57:01,626 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-09-24 15:57:01,627 INFO L268 CegarLoopResult]: For program point L20-5(line 20) no Hoare annotation was computed. [2020-09-24 15:57:01,627 INFO L268 CegarLoopResult]: For program point L20-6(line 20) no Hoare annotation was computed. [2020-09-24 15:57:01,627 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-24 15:57:01,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:57:01,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:57:01,627 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 15:57:01,627 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 15:57:01,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:57:01,628 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-24 15:57:01,628 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2020-09-24 15:57:01,628 INFO L268 CegarLoopResult]: For program point L31(lines 31 35) no Hoare annotation was computed. [2020-09-24 15:57:01,628 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-09-24 15:57:01,628 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 36) the Hoare annotation is: true [2020-09-24 15:57:01,628 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-09-24 15:57:01,629 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 15:57:01,629 INFO L268 CegarLoopResult]: For program point L30-2(line 30) no Hoare annotation was computed. [2020-09-24 15:57:01,629 INFO L268 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed. [2020-09-24 15:57:01,629 INFO L268 CegarLoopResult]: For program point L30-3(line 30) no Hoare annotation was computed. [2020-09-24 15:57:01,629 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-24 15:57:01,629 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-09-24 15:57:01,629 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 36) no Hoare annotation was computed. [2020-09-24 15:57:01,630 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 36) no Hoare annotation was computed. [2020-09-24 15:57:01,630 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-24 15:57:01,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:57:01 BoogieIcfgContainer [2020-09-24 15:57:01,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:57:01,640 INFO L168 Benchmark]: Toolchain (without parser) took 17521.63 ms. Allocated memory was 138.4 MB in the beginning and 578.3 MB in the end (delta: 439.9 MB). Free memory was 101.7 MB in the beginning and 440.0 MB in the end (delta: -338.3 MB). Peak memory consumption was 396.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:01,640 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 15:57:01,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.22 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 91.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:01,642 INFO L168 Benchmark]: Boogie Preprocessor took 29.36 ms. Allocated memory is still 138.4 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:01,643 INFO L168 Benchmark]: RCFGBuilder took 370.72 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 90.3 MB in the beginning and 167.5 MB in the end (delta: -77.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:01,644 INFO L168 Benchmark]: TraceAbstraction took 16822.73 ms. Allocated memory was 200.8 MB in the beginning and 578.3 MB in the end (delta: 377.5 MB). Free memory was 166.8 MB in the beginning and 440.0 MB in the end (delta: -273.2 MB). Peak memory consumption was 399.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:01,647 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 287.22 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 91.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.36 ms. Allocated memory is still 138.4 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.72 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 90.3 MB in the beginning and 167.5 MB in the end (delta: -77.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16822.73 ms. Allocated memory was 200.8 MB in the beginning and 578.3 MB in the end (delta: 377.5 MB). Free memory was 166.8 MB in the beginning and 440.0 MB in the end (delta: -273.2 MB). Peak memory consumption was 399.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 34]: 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, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 14, TraceHistogramMax: 31, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 476 SDtfs, 734 SDslu, 2103 SDs, 0 SdLazy, 2513 SolverSat, 354 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 676 GetRequests, 393 SyntacticMatches, 12 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=12, 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, 14 MinimizatonAttempts, 70 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 182 PreInvPairs, 226 NumberOfFragments, 80 HoareAnnotationTreeSize, 182 FomulaSimplifications, 1622 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2829 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1578 NumberOfCodeBlocks, 1578 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1564 ConstructedInterpolants, 0 QuantifiedInterpolants, 733070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 6722/10214 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...