/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:19:23,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:19:23,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:19:23,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:19:23,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:19:23,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:19:23,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:19:23,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:19:23,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:19:23,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:19:23,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:19:23,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:19:23,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:19:23,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:19:23,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:19:23,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:19:23,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:19:23,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:19:23,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:19:23,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:19:23,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:19:23,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:19:23,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:19:23,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:19:23,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:19:23,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:19:23,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:19:23,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:19:23,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:19:23,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:19:23,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:19:23,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:19:23,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:19:23,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:19:23,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:19:23,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:19:23,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:19:23,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:19:23,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:19:23,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:19:23,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:19:23,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:19:23,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:19:23,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:19:23,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:19:23,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:19:23,749 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:19:23,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:19:23,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:19:23,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:19:23,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:19:23,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:19:23,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:19:23,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:19:23,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:19:23,753 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:19:23,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:19:23,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:19:23,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:19:23,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:19:23,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:19:23,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:19:23,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:19:23,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:19:23,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:19:23,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:19:23,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:19:23,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:19:23,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:19:23,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:19:23,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:19:23,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:19:24,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:19:24,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:19:24,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:19:24,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:19:24,243 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:19:24,244 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann04.c [2020-09-21 11:19:24,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78083cc51/eb9abc4e405d43daafe20a3971d8f4ce/FLAG2f16d1707 [2020-09-21 11:19:24,897 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:19:24,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Ackermann04.c [2020-09-21 11:19:24,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78083cc51/eb9abc4e405d43daafe20a3971d8f4ce/FLAG2f16d1707 [2020-09-21 11:19:25,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78083cc51/eb9abc4e405d43daafe20a3971d8f4ce [2020-09-21 11:19:25,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:19:25,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:19:25,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:19:25,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:19:25,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:19:25,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe12ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25, skipping insertion in model container [2020-09-21 11:19:25,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:19:25,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:19:25,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:19:25,570 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:19:25,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:19:25,604 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:19:25,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25 WrapperNode [2020-09-21 11:19:25,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:19:25,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:19:25,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:19:25,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:19:25,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... [2020-09-21 11:19:25,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:19:25,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:19:25,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:19:25,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:19:25,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:19:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:19:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:19:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2020-09-21 11:19:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:19:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:19:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:19:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2020-09-21 11:19:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:19:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:19:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:19:26,026 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:19:26,027 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:19:26,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:19:26 BoogieIcfgContainer [2020-09-21 11:19:26,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:19:26,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:19:26,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:19:26,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:19:26,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:19:25" (1/3) ... [2020-09-21 11:19:26,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95173b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:19:26, skipping insertion in model container [2020-09-21 11:19:26,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:25" (2/3) ... [2020-09-21 11:19:26,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95173b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:19:26, skipping insertion in model container [2020-09-21 11:19:26,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:19:26" (3/3) ... [2020-09-21 11:19:26,042 INFO L109 eAbstractionObserver]: Analyzing ICFG Ackermann04.c [2020-09-21 11:19:26,055 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:19:26,065 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:19:26,090 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:19:26,120 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:19:26,121 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:19:26,121 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:19:26,121 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:19:26,121 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:19:26,121 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:19:26,121 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:19:26,122 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:19:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-09-21 11:19:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-21 11:19:26,149 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:26,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:26,151 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:26,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:26,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1796234678, now seen corresponding path program 1 times [2020-09-21 11:19:26,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:26,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959170093] [2020-09-21 11:19:26,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:26,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:26,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:26,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:26,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:26,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:19:26,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:19:26,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 11:19:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:26,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:26,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:26,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:26,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:26,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:26,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:26,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:26,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:26,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:26,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:26,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:26,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:26,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:19:26,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:26,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:26,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:19:26,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959170093] [2020-09-21 11:19:26,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:19:26,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:19:26,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859906794] [2020-09-21 11:19:26,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:19:26,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:26,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:19:26,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:19:26,535 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-09-21 11:19:26,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:26,740 INFO L93 Difference]: Finished difference Result 55 states and 77 transitions. [2020-09-21 11:19:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:19:26,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-09-21 11:19:26,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:26,758 INFO L225 Difference]: With dead ends: 55 [2020-09-21 11:19:26,758 INFO L226 Difference]: Without dead ends: 28 [2020-09-21 11:19:26,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:19:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-21 11:19:26,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-21 11:19:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-21 11:19:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2020-09-21 11:19:26,833 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 15 [2020-09-21 11:19:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:26,834 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2020-09-21 11:19:26,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:19:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-09-21 11:19:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-21 11:19:26,838 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:26,838 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:26,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:19:26,838 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:26,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:26,839 INFO L82 PathProgramCache]: Analyzing trace with hash -895156504, now seen corresponding path program 1 times [2020-09-21 11:19:26,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:26,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721163853] [2020-09-21 11:19:26,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:26,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:26,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:26,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:26,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:26,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:19:26,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:19:26,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 11:19:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:19:26,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:26,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:26,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:26,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:26,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:26,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:26,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:26,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:26,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:26,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:27,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:19:27,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:27,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:27,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:19:27,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:27,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:19:27,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721163853] [2020-09-21 11:19:27,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:27,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:19:27,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880898532] [2020-09-21 11:19:27,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:19:27,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:27,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:19:27,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:19:27,112 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 7 states. [2020-09-21 11:19:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:27,290 INFO L93 Difference]: Finished difference Result 49 states and 67 transitions. [2020-09-21 11:19:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:19:27,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-21 11:19:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:27,294 INFO L225 Difference]: With dead ends: 49 [2020-09-21 11:19:27,295 INFO L226 Difference]: Without dead ends: 45 [2020-09-21 11:19:27,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:19:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-21 11:19:27,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-09-21 11:19:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-21 11:19:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-09-21 11:19:27,312 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 22 [2020-09-21 11:19:27,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:27,313 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-09-21 11:19:27,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:19:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-09-21 11:19:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-09-21 11:19:27,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:27,316 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:27,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:19:27,316 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:27,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:27,317 INFO L82 PathProgramCache]: Analyzing trace with hash 687949058, now seen corresponding path program 2 times [2020-09-21 11:19:27,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:27,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713160173] [2020-09-21 11:19:27,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:19:27,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:27,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:19:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 11:19:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:19:27,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-09-21 11:19:27,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:27,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:27,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:27,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:19:27,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:19:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:19:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:19:27,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:27,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:27,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:19:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:27,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:19:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:27,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:27,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:19:27,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713160173] [2020-09-21 11:19:27,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:27,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-09-21 11:19:27,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008327693] [2020-09-21 11:19:27,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:19:27,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:27,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:19:27,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:19:27,560 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 4 states. [2020-09-21 11:19:27,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:27,621 INFO L93 Difference]: Finished difference Result 88 states and 151 transitions. [2020-09-21 11:19:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:19:27,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-09-21 11:19:27,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:27,625 INFO L225 Difference]: With dead ends: 88 [2020-09-21 11:19:27,625 INFO L226 Difference]: Without dead ends: 51 [2020-09-21 11:19:27,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:19:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-21 11:19:27,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-09-21 11:19:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-09-21 11:19:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2020-09-21 11:19:27,644 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 29 [2020-09-21 11:19:27,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:27,645 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2020-09-21 11:19:27,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:19:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2020-09-21 11:19:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-21 11:19:27,648 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:27,648 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:27,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:19:27,648 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:27,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:27,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1711672813, now seen corresponding path program 1 times [2020-09-21 11:19:27,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:27,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164875142] [2020-09-21 11:19:27,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-21 11:19:27,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:27,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 11:19:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:27,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:27,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:27,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:27,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:27,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:27,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:27,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:27,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:27,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 11:19:27,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:27,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:27,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:19:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:27,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:27,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:27,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:27,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:27,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:27,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:27,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:27,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:27,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:27,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:27,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-09-21 11:19:27,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164875142] [2020-09-21 11:19:27,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:27,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:19:27,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055782576] [2020-09-21 11:19:27,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:19:27,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:27,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:19:27,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:19:27,854 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand 5 states. [2020-09-21 11:19:27,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:27,930 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2020-09-21 11:19:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:19:27,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-09-21 11:19:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:27,933 INFO L225 Difference]: With dead ends: 55 [2020-09-21 11:19:27,933 INFO L226 Difference]: Without dead ends: 51 [2020-09-21 11:19:27,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:19:27,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-21 11:19:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-09-21 11:19:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-09-21 11:19:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-09-21 11:19:27,947 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 42 [2020-09-21 11:19:27,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:27,948 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-09-21 11:19:27,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:19:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-09-21 11:19:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:19:27,952 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:27,952 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:27,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:19:27,952 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:27,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1732137516, now seen corresponding path program 2 times [2020-09-21 11:19:27,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:27,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600311826] [2020-09-21 11:19:27,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:19:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-21 11:19:28,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:19:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:19:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:19:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:28,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:28,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:19:28,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-21 11:19:28,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:19:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:19:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:19:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:28,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:28,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:19:28,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:19:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:19:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:28,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:28,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:19:28,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:28,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:19:28,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:28,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:19:28,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:28,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:28,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:28,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:28,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:28,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:28,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:19:28,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:28,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:28,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:28,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:28,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:19:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:28,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:28,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:28,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:28,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:28,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:28,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:28,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:28,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:28,750 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 44 proven. 37 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-09-21 11:19:28,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600311826] [2020-09-21 11:19:28,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:28,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:19:28,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050410456] [2020-09-21 11:19:28,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:19:28,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:28,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:19:28,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:19:28,753 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 13 states. [2020-09-21 11:19:29,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:29,271 INFO L93 Difference]: Finished difference Result 147 states and 317 transitions. [2020-09-21 11:19:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:19:29,272 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 62 [2020-09-21 11:19:29,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:29,276 INFO L225 Difference]: With dead ends: 147 [2020-09-21 11:19:29,277 INFO L226 Difference]: Without dead ends: 104 [2020-09-21 11:19:29,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:19:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-21 11:19:29,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 88. [2020-09-21 11:19:29,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-21 11:19:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 160 transitions. [2020-09-21 11:19:29,307 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 160 transitions. Word has length 62 [2020-09-21 11:19:29,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:29,307 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 160 transitions. [2020-09-21 11:19:29,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:19:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 160 transitions. [2020-09-21 11:19:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-09-21 11:19:29,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:29,319 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:29,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:19:29,319 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:29,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:29,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1760963850, now seen corresponding path program 3 times [2020-09-21 11:19:29,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:29,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391608773] [2020-09-21 11:19:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-21 11:19:29,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:19:29,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 11:19:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 11:19:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:29,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:19:29,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:19:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:29,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:29,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:29,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:29,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 11:19:29,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:29,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:29,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:29,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:19:29,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:19:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:29,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:29,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:29,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:29,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:29,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:19:29,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:29,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:29,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:29,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:29,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:29,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:29,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:29,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2020-09-21 11:19:29,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391608773] [2020-09-21 11:19:29,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:29,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:19:29,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100313843] [2020-09-21 11:19:29,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:19:29,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:29,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:19:29,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:19:29,710 INFO L87 Difference]: Start difference. First operand 88 states and 160 transitions. Second operand 7 states. [2020-09-21 11:19:29,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:29,873 INFO L93 Difference]: Finished difference Result 192 states and 465 transitions. [2020-09-21 11:19:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:19:29,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2020-09-21 11:19:29,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:29,885 INFO L225 Difference]: With dead ends: 192 [2020-09-21 11:19:29,885 INFO L226 Difference]: Without dead ends: 188 [2020-09-21 11:19:29,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:19:29,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-09-21 11:19:29,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2020-09-21 11:19:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-21 11:19:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 455 transitions. [2020-09-21 11:19:29,985 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 455 transitions. Word has length 95 [2020-09-21 11:19:29,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:29,986 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 455 transitions. [2020-09-21 11:19:29,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:19:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 455 transitions. [2020-09-21 11:19:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-21 11:19:30,001 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:30,002 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 14, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:30,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:19:30,003 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:30,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:30,003 INFO L82 PathProgramCache]: Analyzing trace with hash 213280591, now seen corresponding path program 4 times [2020-09-21 11:19:30,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:30,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934486593] [2020-09-21 11:19:30,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-21 11:19:30,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:19:30,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:19:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:19:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:19:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:30,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:30,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 11:19:30,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:19:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:19:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 11:19:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:19:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 24 [2020-09-21 11:19:30,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -18 [2020-09-21 11:19:30,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 54 [2020-09-21 11:19:30,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:19:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-21 11:19:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:19:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:19:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:19:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:30,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:19:30,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:19:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:19:30,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:30,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:19:30,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:30,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:30,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:30,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:30,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:19:30,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:30,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:30,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:30,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:30,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:19:30,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:19:30,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:19:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:30,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:30,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:30,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:30,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:30,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:30,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:30,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:30,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:19:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:30,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:30,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:30,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:30,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:30,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:30,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:30,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:30,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:30,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:30,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:19:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:31,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:31,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:19:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:31,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:31,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:31,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:19:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:19:31,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:31,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:19:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:31,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:19:31,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:31,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:31,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:31,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:31,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:31,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:31,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:31,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:31,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:31,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:31,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:31,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:31,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:31,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:31,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:19:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:31,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:31,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:19:31,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:31,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:31,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:31,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:31,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:31,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:31,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:31,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:31,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:31,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:31,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 179 proven. 379 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2020-09-21 11:19:31,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934486593] [2020-09-21 11:19:31,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:31,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 11:19:31,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917452021] [2020-09-21 11:19:31,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 11:19:31,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:31,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 11:19:31,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:19:31,272 INFO L87 Difference]: Start difference. First operand 186 states and 455 transitions. Second operand 18 states. [2020-09-21 11:19:32,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:32,748 INFO L93 Difference]: Finished difference Result 328 states and 964 transitions. [2020-09-21 11:19:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-21 11:19:32,749 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 155 [2020-09-21 11:19:32,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:32,753 INFO L225 Difference]: With dead ends: 328 [2020-09-21 11:19:32,753 INFO L226 Difference]: Without dead ends: 135 [2020-09-21 11:19:32,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=557, Invalid=1893, Unknown=0, NotChecked=0, Total=2450 [2020-09-21 11:19:32,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-09-21 11:19:32,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 104. [2020-09-21 11:19:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:19:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 157 transitions. [2020-09-21 11:19:32,775 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 157 transitions. Word has length 155 [2020-09-21 11:19:32,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:32,776 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 157 transitions. [2020-09-21 11:19:32,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 11:19:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2020-09-21 11:19:32,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-21 11:19:32,779 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:32,779 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 16, 11, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:32,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:19:32,779 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:32,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:32,780 INFO L82 PathProgramCache]: Analyzing trace with hash -3938454, now seen corresponding path program 5 times [2020-09-21 11:19:32,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:32,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2085783047] [2020-09-21 11:19:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:32,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:32,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:32,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:32,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-21 11:19:32,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-21 11:19:32,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:19:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:19:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:32,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:32,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:32,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:32,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:32,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:32,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:32,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:32,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:32,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:32,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-21 11:19:33,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-21 11:19:33,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:19:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:19:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:19:33,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 11:19:33,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:19:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:19:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:33,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:19:33,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:19:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:19:33,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:33,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:19:33,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:33,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:19:33,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:33,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:33,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:33,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:19:33,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:19:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:19:33,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:33,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:19:33,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:33,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:19:33,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:33,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:33,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:33,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:33,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:33,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:33,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:33,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:33,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:19:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:19:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-09-21 11:19:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:19:33,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:33,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:19:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:33,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:33,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:33,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:33,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:33,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:33,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:33,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:19:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:33,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:33,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:33,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:33,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:33,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:33,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:33,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:33,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 174 proven. 551 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2020-09-21 11:19:34,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2085783047] [2020-09-21 11:19:34,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:34,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 11:19:34,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984703277] [2020-09-21 11:19:34,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 11:19:34,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:34,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 11:19:34,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:19:34,009 INFO L87 Difference]: Start difference. First operand 104 states and 157 transitions. Second operand 18 states. [2020-09-21 11:19:35,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:35,115 INFO L93 Difference]: Finished difference Result 255 states and 490 transitions. [2020-09-21 11:19:35,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-21 11:19:35,116 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 187 [2020-09-21 11:19:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:35,120 INFO L225 Difference]: With dead ends: 255 [2020-09-21 11:19:35,120 INFO L226 Difference]: Without dead ends: 153 [2020-09-21 11:19:35,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=571, Invalid=1979, Unknown=0, NotChecked=0, Total=2550 [2020-09-21 11:19:35,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-09-21 11:19:35,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 130. [2020-09-21 11:19:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 11:19:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 206 transitions. [2020-09-21 11:19:35,141 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 206 transitions. Word has length 187 [2020-09-21 11:19:35,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:35,142 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 206 transitions. [2020-09-21 11:19:35,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 11:19:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 206 transitions. [2020-09-21 11:19:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-09-21 11:19:35,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:35,148 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 19, 15, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:35,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:19:35,148 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:35,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:35,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1416387028, now seen corresponding path program 6 times [2020-09-21 11:19:35,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:35,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035723631] [2020-09-21 11:19:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-21 11:19:35,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-21 11:19:35,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:19:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:19:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:19:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:35,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:35,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:35,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-09-21 11:19:35,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-21 11:19:35,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:19:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:19:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:19:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:19:35,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-21 11:19:35,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:19:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:19:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:19:35,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:35,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:19:35,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:19:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:19:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:35,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:19:35,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:35,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:35,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:36,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:19:36,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:36,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:19:36,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:19:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:19:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:19:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:36,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:36,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:19:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:36,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:19:36,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:19:36,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:36,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:19:36,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:19:36,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:36,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:36,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:19:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-21 11:19:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 11:19:36,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 144 [2020-09-21 11:19:36,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:36,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:36,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:19:36,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:36,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:36,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:36,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:19:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:36,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:36,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:36,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:36,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2799 backedges. 270 proven. 919 refuted. 0 times theorem prover too weak. 1610 trivial. 0 not checked. [2020-09-21 11:19:36,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035723631] [2020-09-21 11:19:36,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:36,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:19:36,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571047591] [2020-09-21 11:19:36,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:19:36,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:36,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:19:36,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:19:36,802 INFO L87 Difference]: Start difference. First operand 130 states and 206 transitions. Second operand 17 states. [2020-09-21 11:19:37,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:37,543 INFO L93 Difference]: Finished difference Result 407 states and 799 transitions. [2020-09-21 11:19:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:19:37,544 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 232 [2020-09-21 11:19:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:37,547 INFO L225 Difference]: With dead ends: 407 [2020-09-21 11:19:37,547 INFO L226 Difference]: Without dead ends: 149 [2020-09-21 11:19:37,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2020-09-21 11:19:37,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-09-21 11:19:37,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 142. [2020-09-21 11:19:37,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-09-21 11:19:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 230 transitions. [2020-09-21 11:19:37,577 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 230 transitions. Word has length 232 [2020-09-21 11:19:37,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:37,577 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 230 transitions. [2020-09-21 11:19:37,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-21 11:19:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 230 transitions. [2020-09-21 11:19:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-21 11:19:37,582 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:37,582 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 18, 14, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:37,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:19:37,582 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:37,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:37,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1292564067, now seen corresponding path program 7 times [2020-09-21 11:19:37,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:37,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895383546] [2020-09-21 11:19:37,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-09-21 11:19:37,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-09-21 11:19:37,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:19:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-21 11:19:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:19:37,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:37,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:37,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-21 11:19:38,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-09-21 11:19:38,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:19:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:19:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:19:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:19:38,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-21 11:19:38,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:19:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:19:38,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:38,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:38,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:38,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-21 11:19:38,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:19:38,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:19:38,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:38,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:19:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:19:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:19:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:39,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:39,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:39,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:19:39,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:39,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:39,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:39,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:39,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:39,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:39,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:39,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:19:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 11:19:39,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-21 11:19:39,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-21 11:19:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:19:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:19:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:39,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:39,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:19:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:39,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:19:39,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:19:39,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:39,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:19:39,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:19:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:39,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:19:39,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:39,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:39,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:19:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:19:39,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:19:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:39,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:19:39,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:19:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:39,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:19:39,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:19:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:39,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:39,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:39,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:39,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:39,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:39,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:19:39,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2469 backedges. 804 proven. 724 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2020-09-21 11:19:40,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895383546] [2020-09-21 11:19:40,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:40,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-21 11:19:40,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596785036] [2020-09-21 11:19:40,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-21 11:19:40,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:40,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-21 11:19:40,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:19:40,062 INFO L87 Difference]: Start difference. First operand 142 states and 230 transitions. Second operand 24 states. [2020-09-21 11:19:41,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:41,419 INFO L93 Difference]: Finished difference Result 242 states and 460 transitions. [2020-09-21 11:19:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-21 11:19:41,419 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 219 [2020-09-21 11:19:41,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:41,422 INFO L225 Difference]: With dead ends: 242 [2020-09-21 11:19:41,425 INFO L226 Difference]: Without dead ends: 108 [2020-09-21 11:19:41,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=473, Invalid=1879, Unknown=0, NotChecked=0, Total=2352 [2020-09-21 11:19:41,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-21 11:19:41,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 92. [2020-09-21 11:19:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-09-21 11:19:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2020-09-21 11:19:41,443 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 219 [2020-09-21 11:19:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:41,443 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2020-09-21 11:19:41,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-21 11:19:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2020-09-21 11:19:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 11:19:41,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:41,447 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 25, 17, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:41,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:19:41,448 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:41,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:41,449 INFO L82 PathProgramCache]: Analyzing trace with hash 609384874, now seen corresponding path program 8 times [2020-09-21 11:19:41,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:41,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124049468] [2020-09-21 11:19:41,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-09-21 11:19:41,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:41,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:19:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:19:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:41,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-21 11:19:41,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:19:41,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:19:41,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:19:41,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:19:41,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-21 11:19:41,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:19:41,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:19:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:19:41,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:19:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:19:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:19:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:19:41,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:41,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:41,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:19:41,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:19:41,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:19:41,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:19:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:41,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:19:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:42,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:19:42,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:42,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:42,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:42,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:42,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:42,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:19:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:19:42,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:19:42,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-09-21 11:19:42,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:19:42,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:19:42,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:19:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:19:42,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:42,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:42,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:42,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:19:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:19:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:19:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-21 11:19:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-21 11:19:42,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-21 11:19:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:19:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:19:42,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:19:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:19:42,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:19:42,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:42,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:42,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:42,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:19:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:19:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:19:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:19:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:42,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-21 11:19:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:42,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4296 backedges. 241 proven. 873 refuted. 0 times theorem prover too weak. 3182 trivial. 0 not checked. [2020-09-21 11:19:42,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124049468] [2020-09-21 11:19:42,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:42,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:19:42,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227143817] [2020-09-21 11:19:42,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:19:42,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:42,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:19:42,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:19:42,724 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand 9 states. [2020-09-21 11:19:42,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:42,945 INFO L93 Difference]: Finished difference Result 177 states and 323 transitions. [2020-09-21 11:19:42,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:19:42,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 286 [2020-09-21 11:19:42,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:42,949 INFO L225 Difference]: With dead ends: 177 [2020-09-21 11:19:42,950 INFO L226 Difference]: Without dead ends: 97 [2020-09-21 11:19:42,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:19:42,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-09-21 11:19:42,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 89. [2020-09-21 11:19:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-09-21 11:19:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 134 transitions. [2020-09-21 11:19:42,967 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 134 transitions. Word has length 286 [2020-09-21 11:19:42,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:42,968 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 134 transitions. [2020-09-21 11:19:42,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:19:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2020-09-21 11:19:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-21 11:19:42,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:42,972 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:42,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:19:42,973 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:42,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:42,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1434361927, now seen corresponding path program 9 times [2020-09-21 11:19:42,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:42,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480785416] [2020-09-21 11:19:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-21 11:19:43,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-21 11:19:43,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:19:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-21 11:19:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:19:43,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:43,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 11:19:43,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-21 11:19:43,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:19:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:19:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:19:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:19:43,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-21 11:19:43,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:19:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:19:43,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:43,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:43,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:43,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:43,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:43,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:43,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:43,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:43,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:43,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-21 11:19:43,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:19:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:19:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:44,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:19:44,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:19:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:19:44,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:44,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:19:44,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:44,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:44,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:44,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:44,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:19:44,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:44,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:44,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:44,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:44,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:44,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:44,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:19:44,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:44,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:44,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:44,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:44,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:19:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:44,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:19:44,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:19:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:44,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:19:44,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:44,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:44,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:44,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:19:44,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:44,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:19:44,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:19:44,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:44,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:44,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:44,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:44,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:44,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:44,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:44,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:44,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:44,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:44,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:44,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:44,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:44,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:44,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 429 proven. 296 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2020-09-21 11:19:44,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480785416] [2020-09-21 11:19:44,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:44,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-21 11:19:44,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802906766] [2020-09-21 11:19:44,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-21 11:19:44,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:44,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-21 11:19:44,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:19:44,722 INFO L87 Difference]: Start difference. First operand 89 states and 134 transitions. Second operand 21 states. [2020-09-21 11:19:45,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:45,663 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2020-09-21 11:19:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-21 11:19:45,664 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 160 [2020-09-21 11:19:45,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:45,665 INFO L225 Difference]: With dead ends: 166 [2020-09-21 11:19:45,666 INFO L226 Difference]: Without dead ends: 89 [2020-09-21 11:19:45,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=353, Invalid=1717, Unknown=0, NotChecked=0, Total=2070 [2020-09-21 11:19:45,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-21 11:19:45,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-09-21 11:19:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-09-21 11:19:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2020-09-21 11:19:45,675 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 160 [2020-09-21 11:19:45,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:45,676 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2020-09-21 11:19:45,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-21 11:19:45,676 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-09-21 11:19:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-09-21 11:19:45,678 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:45,678 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 14, 11, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:45,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:19:45,679 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:45,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:45,679 INFO L82 PathProgramCache]: Analyzing trace with hash -66876812, now seen corresponding path program 10 times [2020-09-21 11:19:45,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:45,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313195236] [2020-09-21 11:19:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:45,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:45,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:45,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:45,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:45,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-21 11:19:45,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:45,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-21 11:19:45,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:19:45,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-21 11:19:45,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:19:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:46,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:46,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:46,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-21 11:19:46,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-09-21 11:19:46,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:19:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:19:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:19:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:19:46,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-21 11:19:46,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:19:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:19:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:46,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:46,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:46,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:46,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:46,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:46,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:46,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:46,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:46,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:46,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:46,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:46,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:46,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:46,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:46,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:46,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:46,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 11:19:46,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:46,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 11:19:46,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:19:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:19:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:46,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:19:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:46,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:46,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:46,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:46,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:46,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:46,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:46,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:46,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:46,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:46,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:46,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:46,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:47,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:47,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:47,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:47,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:47,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:19:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:19:47,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:19:47,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:47,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:19:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:47,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:19:47,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:47,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:19:47,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:47,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:47,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:19:47,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:19:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:19:47,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:47,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:19:47,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:19:47,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:47,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:47,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:19:47,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:47,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:47,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:47,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:47,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:47,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:47,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:47,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:47,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:19:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:47,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:47,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:47,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:47,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:47,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:47,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:47,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:47,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 485 proven. 391 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2020-09-21 11:19:47,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313195236] [2020-09-21 11:19:47,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:47,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 11:19:47,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833291134] [2020-09-21 11:19:47,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 11:19:47,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:47,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 11:19:47,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:19:47,572 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 23 states. [2020-09-21 11:19:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:49,139 INFO L93 Difference]: Finished difference Result 178 states and 287 transitions. [2020-09-21 11:19:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-21 11:19:49,139 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 173 [2020-09-21 11:19:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:49,142 INFO L225 Difference]: With dead ends: 178 [2020-09-21 11:19:49,142 INFO L226 Difference]: Without dead ends: 101 [2020-09-21 11:19:49,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=405, Invalid=2351, Unknown=0, NotChecked=0, Total=2756 [2020-09-21 11:19:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-09-21 11:19:49,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-09-21 11:19:49,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 11:19:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 147 transitions. [2020-09-21 11:19:49,154 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 147 transitions. Word has length 173 [2020-09-21 11:19:49,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:49,154 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 147 transitions. [2020-09-21 11:19:49,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 11:19:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2020-09-21 11:19:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-09-21 11:19:49,157 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:49,157 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 15, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:49,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:19:49,158 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:49,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1028004289, now seen corresponding path program 11 times [2020-09-21 11:19:49,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:49,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826096335] [2020-09-21 11:19:49,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-21 11:19:49,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-21 11:19:49,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-21 11:19:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-09-21 11:19:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:19:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:49,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:49,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:19:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-21 11:19:49,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-21 11:19:49,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:19:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-21 11:19:49,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:19:49,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:49,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:49,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:49,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:49,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:49,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:49,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:49,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:49,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:49,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:49,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:49,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:19:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:49,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:49,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:49,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:49,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:49,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:49,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:49,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:49,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:49,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:50,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:50,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:50,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:50,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:50,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:50,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:50,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:50,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:50,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:50,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:50,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:50,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:50,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:19:50,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:19:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 11:19:50,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-21 11:19:50,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:19:50,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:19:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:19:50,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-21 11:19:50,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:19:50,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:19:50,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:50,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:19:50,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-21 11:19:50,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:19:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:19:50,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 11:19:50,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:19:50,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:19:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:19:50,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:19:50,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:19:50,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:19:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:50,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:50,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:50,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:50,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:50,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:19:50,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:50,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:50,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:19:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:51,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:51,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:51,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:51,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:51,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:51,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:51,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:51,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:51,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:51,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:51,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:19:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:51,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:51,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:51,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:51,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:51,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:51,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:51,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:51,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:51,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:51,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:19:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:51,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:51,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:51,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:51,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:51,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:51,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:51,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:51,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:51,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:51,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:19:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:51,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:51,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:51,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:51,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:51,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:51,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:51,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:51,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:51,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:51,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:51,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:51,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:51,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:19:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:51,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:51,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:51,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:51,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:51,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:51,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:51,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:51,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:51,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:19:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:51,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:51,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:51,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:51,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:51,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:51,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:51,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:51,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 662 proven. 84 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2020-09-21 11:19:51,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826096335] [2020-09-21 11:19:51,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:51,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-21 11:19:51,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751396126] [2020-09-21 11:19:51,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-21 11:19:51,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:51,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-21 11:19:51,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:19:51,197 INFO L87 Difference]: Start difference. First operand 99 states and 147 transitions. Second operand 24 states. [2020-09-21 11:19:52,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:52,082 INFO L93 Difference]: Finished difference Result 108 states and 162 transitions. [2020-09-21 11:19:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:19:52,083 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 186 [2020-09-21 11:19:52,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:52,084 INFO L225 Difference]: With dead ends: 108 [2020-09-21 11:19:52,084 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:19:52,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=1732, Unknown=0, NotChecked=0, Total=2070 [2020-09-21 11:19:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:19:52,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:19:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:19:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:19:52,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2020-09-21 11:19:52,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:52,088 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:19:52,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-21 11:19:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:19:52,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:19:52,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:19:52,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:19:52,737 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-09-21 11:19:56,029 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2020-09-21 11:19:56,506 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-09-21 11:19:57,465 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-09-21 11:19:57,771 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-09-21 11:19:57,985 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-09-21 11:19:58,644 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-21 11:19:59,013 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-21 11:19:59,124 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-21 11:19:59,271 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-21 11:19:59,404 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-21 11:20:01,301 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 16 [2020-09-21 11:20:03,835 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 237 DAG size of output: 47 [2020-09-21 11:20:04,028 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 12 [2020-09-21 11:20:04,095 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-21 11:20:04,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:20:04,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:20:04,096 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 11:20:04,096 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:20:04,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:20:04,096 INFO L268 CegarLoopResult]: For program point ackermannEXIT(lines 14 22) no Hoare annotation was computed. [2020-09-21 11:20:04,097 INFO L271 CegarLoopResult]: At program point ackermannENTRY(lines 14 22) the Hoare annotation is: true [2020-09-21 11:20:04,097 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (or (not (<= 0 |ackermann_#in~n|)) (not (<= |ackermann_#in~n| 0))) (not (= ackermann_~m 0)) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2020-09-21 11:20:04,097 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-09-21 11:20:04,097 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (not (= ackermann_~m 0)) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2020-09-21 11:20:04,098 INFO L264 CegarLoopResult]: At program point L21-2(line 21) the Hoare annotation is: (let ((.cse0 (<= |ackermann_#in~n| 1)) (.cse9 (= ackermann_~m |ackermann_#in~m|)) (.cse10 (<= 2 |ackermann_#in~m|)) (.cse8 (<= 3 |ackermann_#t~ret1|)) (.cse3 (<= |ackermann_#in~n| 2)) (.cse5 (<= ackermann_~n |ackermann_#in~n|)) (.cse6 (<= |ackermann_#in~n| ackermann_~n)) (.cse1 (<= |ackermann_#in~m| 1)) (.cse12 (<= 2 |ackermann_#t~ret1|)) (.cse13 (<= |ackermann_#in~m| ackermann_~m)) (.cse14 (<= ackermann_~m |ackermann_#in~m|)) (.cse4 (<= 5 |ackermann_#t~ret1|)) (.cse2 (<= 6 |ackermann_#t~ret1|))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (let ((.cse7 (<= 1 |ackermann_#in~n|)) (.cse11 (<= 1 |ackermann_#in~m|))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= 2 |ackermann_#in~n|) .cse11) (and .cse5 .cse6 .cse1 .cse12 (<= |ackermann_#t~ret1| 2) .cse7 .cse11 .cse13 .cse14))) (or .cse0 (and .cse5 .cse6 .cse9 .cse10) (and .cse8 .cse3 (= ackermann_~n |ackermann_#in~n|) .cse13 .cse14) (and .cse5 .cse6 .cse1 .cse12 (<= 4 |ackermann_#t~ret1|) .cse13 .cse14)) (or (and .cse4 (<= |ackermann_#in~n| 4)) (<= |ackermann_#in~n| 3) .cse2))) [2020-09-21 11:20:04,099 INFO L268 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-09-21 11:20:04,099 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-09-21 11:20:04,099 INFO L268 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed. [2020-09-21 11:20:04,099 INFO L268 CegarLoopResult]: For program point L15(lines 15 17) no Hoare annotation was computed. [2020-09-21 11:20:04,099 INFO L268 CegarLoopResult]: For program point ackermannFINAL(lines 14 22) no Hoare annotation was computed. [2020-09-21 11:20:04,099 INFO L268 CegarLoopResult]: For program point L33(lines 33 38) no Hoare annotation was computed. [2020-09-21 11:20:04,099 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2020-09-21 11:20:04,100 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 45) the Hoare annotation is: true [2020-09-21 11:20:04,100 INFO L268 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-09-21 11:20:04,100 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 45) no Hoare annotation was computed. [2020-09-21 11:20:04,100 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 45) no Hoare annotation was computed. [2020-09-21 11:20:04,100 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:20:04,100 INFO L268 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-09-21 11:20:04,100 INFO L271 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: true [2020-09-21 11:20:04,100 INFO L268 CegarLoopResult]: For program point L39-1(line 39) no Hoare annotation was computed. [2020-09-21 11:20:04,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:20:04 BoogieIcfgContainer [2020-09-21 11:20:04,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:20:04,110 INFO L168 Benchmark]: Toolchain (without parser) took 38857.75 ms. Allocated memory was 140.5 MB in the beginning and 750.3 MB in the end (delta: 609.7 MB). Free memory was 103.8 MB in the beginning and 643.4 MB in the end (delta: -539.6 MB). Peak memory consumption was 572.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:20:04,111 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:20:04,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.21 ms. Allocated memory is still 140.5 MB. Free memory was 103.2 MB in the beginning and 93.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:20:04,112 INFO L168 Benchmark]: Boogie Preprocessor took 31.71 ms. Allocated memory is still 140.5 MB. Free memory was 93.6 MB in the beginning and 92.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:20:04,113 INFO L168 Benchmark]: RCFGBuilder took 393.82 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 92.2 MB in the beginning and 169.6 MB in the end (delta: -77.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:20:04,114 INFO L168 Benchmark]: TraceAbstraction took 38075.60 ms. Allocated memory was 203.4 MB in the beginning and 750.3 MB in the end (delta: 546.8 MB). Free memory was 169.0 MB in the beginning and 643.4 MB in the end (delta: -474.4 MB). Peak memory consumption was 575.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:20:04,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.21 ms. Allocated memory is still 140.5 MB. Free memory was 103.2 MB in the beginning and 93.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.71 ms. Allocated memory is still 140.5 MB. Free memory was 93.6 MB in the beginning and 92.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 393.82 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 92.2 MB in the beginning and 169.6 MB in the end (delta: -77.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38075.60 ms. Allocated memory was 203.4 MB in the beginning and 750.3 MB in the end (delta: 546.8 MB). Free memory was 169.0 MB in the beginning and 643.4 MB in the end (delta: -474.4 MB). Peak memory consumption was 575.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: 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, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.9s, OverallIterations: 14, TraceHistogramMax: 42, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 379 SDtfs, 369 SDslu, 1951 SDs, 0 SdLazy, 4171 SolverSat, 930 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 983 GetRequests, 607 SyntacticMatches, 3 SemanticMatches, 373 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2753 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 105 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 861 PreInvPairs, 2112 NumberOfFragments, 182 HoareAnnotationTreeSize, 861 FomulaSimplifications, 82162 FormulaSimplificationTreeSizeReduction, 9.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 21781 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 1863 NumberOfCodeBlocks, 1863 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1849 ConstructedInterpolants, 0 QuantifiedInterpolants, 590299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 13152/17481 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...