/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/sum_25x0-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:22:13,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:22:13,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:22:13,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:22:13,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:22:13,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:22:13,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:22:13,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:22:13,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:22:13,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:22:13,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:22:13,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:22:13,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:22:13,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:22:13,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:22:13,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:22:13,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:22:13,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:22:13,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:22:13,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:22:13,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:22:13,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:22:13,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:22:13,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:22:13,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:22:13,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:22:13,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:22:13,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:22:13,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:22:13,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:22:13,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:22:13,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:22:13,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:22:13,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:22:13,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:22:13,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:22:13,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:22:13,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:22:13,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:22:13,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:22:13,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:22:13,509 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 11:22:13,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:22:13,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:22:13,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:22:13,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:22:13,553 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:22:13,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:22:13,554 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:22:13,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:22:13,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:22:13,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:22:13,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:22:13,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:22:13,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:22:13,556 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:22:13,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:22:13,557 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:22:13,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:22:13,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:22:13,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:22:13,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:22:13,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:22:13,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:22:13,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:22:13,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:22:13,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:22:13,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:22:13,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:22:13,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:22:13,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:22:13,560 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 11:22:14,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:22:14,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:22:14,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:22:14,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:22:14,059 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:22:14,060 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/sum_25x0-2.c [2020-09-21 11:22:14,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2a577bdd/a506ae4c8c424d4f84ffbf649b86c3b8/FLAG498325534 [2020-09-21 11:22:14,618 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:22:14,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/sum_25x0-2.c [2020-09-21 11:22:14,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2a577bdd/a506ae4c8c424d4f84ffbf649b86c3b8/FLAG498325534 [2020-09-21 11:22:14,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2a577bdd/a506ae4c8c424d4f84ffbf649b86c3b8 [2020-09-21 11:22:14,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:22:14,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:22:14,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:22:14,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:22:14,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:22:14,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:22:14" (1/1) ... [2020-09-21 11:22:15,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a111ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15, skipping insertion in model container [2020-09-21 11:22:15,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:22:14" (1/1) ... [2020-09-21 11:22:15,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:22:15,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:22:15,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:22:15,328 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:22:15,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:22:15,359 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:22:15,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15 WrapperNode [2020-09-21 11:22:15,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:22:15,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:22:15,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:22:15,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:22:15,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (1/1) ... [2020-09-21 11:22:15,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (1/1) ... [2020-09-21 11:22:15,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (1/1) ... [2020-09-21 11:22:15,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (1/1) ... [2020-09-21 11:22:15,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (1/1) ... [2020-09-21 11:22:15,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (1/1) ... [2020-09-21 11:22:15,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (1/1) ... [2020-09-21 11:22:15,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:22:15,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:22:15,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:22:15,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:22:15,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (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 11:22:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:22:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:22:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-09-21 11:22:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:22:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:22:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-09-21 11:22:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:22:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:22:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:22:15,742 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:22:15,742 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:22:15,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:22:15 BoogieIcfgContainer [2020-09-21 11:22:15,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:22:15,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:22:15,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:22:15,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:22:15,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:22:14" (1/3) ... [2020-09-21 11:22:15,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae33433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:22:15, skipping insertion in model container [2020-09-21 11:22:15,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:15" (2/3) ... [2020-09-21 11:22:15,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae33433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:22:15, skipping insertion in model container [2020-09-21 11:22:15,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:22:15" (3/3) ... [2020-09-21 11:22:15,769 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_25x0-2.c [2020-09-21 11:22:15,802 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:22:15,815 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:22:15,853 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:22:15,885 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:22:15,886 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:22:15,886 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:22:15,886 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:22:15,886 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:22:15,886 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:22:15,887 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:22:15,887 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:22:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-09-21 11:22:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 11:22:15,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:15,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:15,915 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:15,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:15,921 INFO L82 PathProgramCache]: Analyzing trace with hash 2001781660, now seen corresponding path program 1 times [2020-09-21 11:22:15,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:15,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852816864] [2020-09-21 11:22:15,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:22:16,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:22:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:16,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:16,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:16,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:16,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:16,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:16,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:22:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:16,226 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 11:22:16,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852816864] [2020-09-21 11:22:16,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:16,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:22:16,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367690635] [2020-09-21 11:22:16,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:22:16,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:16,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:22:16,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:22:16,259 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-09-21 11:22:16,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:16,367 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2020-09-21 11:22:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:22:16,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 11:22:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:16,382 INFO L225 Difference]: With dead ends: 30 [2020-09-21 11:22:16,382 INFO L226 Difference]: Without dead ends: 18 [2020-09-21 11:22:16,387 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 11:22:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-09-21 11:22:16,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-09-21 11:22:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-09-21 11:22:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-09-21 11:22:16,438 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2020-09-21 11:22:16,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:16,439 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-09-21 11:22:16,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:22:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-09-21 11:22:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-21 11:22:16,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:16,442 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:16,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:22:16,442 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:16,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:16,443 INFO L82 PathProgramCache]: Analyzing trace with hash -118151420, now seen corresponding path program 1 times [2020-09-21 11:22:16,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:16,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795965764] [2020-09-21 11:22:16,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:22:16,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:22:16,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:22:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:22:16,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:16,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:16,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:16,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:16,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:16,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:16,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:22:16,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:22:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:22:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:16,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:16,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:22:16,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:16,686 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 11:22:16,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795965764] [2020-09-21 11:22:16,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:16,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:22:16,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058788605] [2020-09-21 11:22:16,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:22:16,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:16,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:22:16,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:22:16,695 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2020-09-21 11:22:16,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:16,771 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-09-21 11:22:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:22:16,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-09-21 11:22:16,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:16,773 INFO L225 Difference]: With dead ends: 25 [2020-09-21 11:22:16,773 INFO L226 Difference]: Without dead ends: 21 [2020-09-21 11:22:16,775 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 11:22:16,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-09-21 11:22:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-09-21 11:22:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 11:22:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-09-21 11:22:16,782 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2020-09-21 11:22:16,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:16,782 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-09-21 11:22:16,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:22:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-09-21 11:22:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-21 11:22:16,784 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:16,784 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:16,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:22:16,785 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:16,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:16,785 INFO L82 PathProgramCache]: Analyzing trace with hash 764931548, now seen corresponding path program 2 times [2020-09-21 11:22:16,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:16,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168967684] [2020-09-21 11:22:16,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:16,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:22:16,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:22:16,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:16,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:22:16,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:16,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:16,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:16,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:16,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:16,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:16,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:16,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:16,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:16,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:16,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:22:16,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:22:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:22:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:22:16,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:17,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:17,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:22:17,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:22:17,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168967684] [2020-09-21 11:22:17,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:17,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:22:17,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117778825] [2020-09-21 11:22:17,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:17,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:17,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:17,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:17,149 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 8 states. [2020-09-21 11:22:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:17,244 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-09-21 11:22:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:22:17,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-09-21 11:22:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:17,246 INFO L225 Difference]: With dead ends: 28 [2020-09-21 11:22:17,246 INFO L226 Difference]: Without dead ends: 24 [2020-09-21 11:22:17,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-09-21 11:22:17,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-09-21 11:22:17,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-21 11:22:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-09-21 11:22:17,254 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 25 [2020-09-21 11:22:17,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:17,254 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-09-21 11:22:17,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-09-21 11:22:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-21 11:22:17,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:17,256 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:17,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:22:17,256 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:17,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:17,257 INFO L82 PathProgramCache]: Analyzing trace with hash 601942852, now seen corresponding path program 3 times [2020-09-21 11:22:17,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:17,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418168343] [2020-09-21 11:22:17,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:22:17,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:22:17,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:22:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:22:17,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:17,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:17,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:17,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:22:17,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:22:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:22:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:17,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:17,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:17,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:22:17,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:17,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:17,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:17,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 11:22:17,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418168343] [2020-09-21 11:22:17,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:17,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:22:17,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578370855] [2020-09-21 11:22:17,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:17,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:17,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:17,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:17,595 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 8 states. [2020-09-21 11:22:17,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:17,679 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-09-21 11:22:17,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:17,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-09-21 11:22:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:17,681 INFO L225 Difference]: With dead ends: 31 [2020-09-21 11:22:17,681 INFO L226 Difference]: Without dead ends: 27 [2020-09-21 11:22:17,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:17,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-09-21 11:22:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-09-21 11:22:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-09-21 11:22:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-09-21 11:22:17,690 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 31 [2020-09-21 11:22:17,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:17,691 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-09-21 11:22:17,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:17,691 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-09-21 11:22:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 11:22:17,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:17,693 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:17,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:22:17,694 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:17,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:17,695 INFO L82 PathProgramCache]: Analyzing trace with hash -183109604, now seen corresponding path program 4 times [2020-09-21 11:22:17,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:17,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692651122] [2020-09-21 11:22:17,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 11:22:17,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:22:17,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:22:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:22:17,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:17,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:17,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:22:17,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:22:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-21 11:22:17,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:17,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:17,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:17,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:17,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:17,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:17,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:17,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:22:17,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:17,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:18,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:22:18,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:18,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:18,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:22:18,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:18,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:18,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:18,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,167 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-21 11:22:18,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692651122] [2020-09-21 11:22:18,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:18,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:22:18,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142158949] [2020-09-21 11:22:18,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:22:18,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:18,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:22:18,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:22:18,170 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 10 states. [2020-09-21 11:22:18,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:18,287 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-09-21 11:22:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:22:18,288 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-09-21 11:22:18,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:18,290 INFO L225 Difference]: With dead ends: 34 [2020-09-21 11:22:18,290 INFO L226 Difference]: Without dead ends: 30 [2020-09-21 11:22:18,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:22:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-21 11:22:18,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-21 11:22:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:22:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-09-21 11:22:18,305 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 37 [2020-09-21 11:22:18,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:18,307 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-09-21 11:22:18,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:22:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-09-21 11:22:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-21 11:22:18,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:18,311 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:18,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:22:18,311 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:18,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:18,312 INFO L82 PathProgramCache]: Analyzing trace with hash -155447420, now seen corresponding path program 5 times [2020-09-21 11:22:18,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:18,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787013106] [2020-09-21 11:22:18,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:22:18,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:22:18,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:22:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:18,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:18,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:18,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:18,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:22:18,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:22:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:22:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:18,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:22:18,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:18,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:18,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:22:18,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:18,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:22:18,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:18,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:22:18,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:18,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:18,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:18,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:18,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:18,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:18,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:18,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:18,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:18,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-21 11:22:18,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787013106] [2020-09-21 11:22:18,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:18,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:22:18,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690136297] [2020-09-21 11:22:18,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:18,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:18,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:18,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:18,802 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 11 states. [2020-09-21 11:22:18,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:18,943 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-09-21 11:22:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:18,944 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-09-21 11:22:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:18,945 INFO L225 Difference]: With dead ends: 37 [2020-09-21 11:22:18,946 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 11:22:18,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:22:18,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 11:22:18,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-09-21 11:22:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 11:22:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-09-21 11:22:18,953 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 43 [2020-09-21 11:22:18,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:18,954 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-09-21 11:22:18,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-09-21 11:22:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-21 11:22:18,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:18,955 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:18,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:22:18,956 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:18,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:18,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1716183644, now seen corresponding path program 6 times [2020-09-21 11:22:18,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:18,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706208325] [2020-09-21 11:22:18,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:22:19,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:22:19,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:22:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:22:19,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:19,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:19,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:19,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 11:22:19,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:22:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:22:19,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:19,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:22:19,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:19,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:19,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:19,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:22:19,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:19,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:19,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:22:19,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:19,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:19,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:22:19,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:19,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:19,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:19,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:19,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:19,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:19,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:19,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 10 proven. 58 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-21 11:22:19,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706208325] [2020-09-21 11:22:19,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:19,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:22:19,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765144750] [2020-09-21 11:22:19,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:22:19,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:22:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:19,557 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 12 states. [2020-09-21 11:22:19,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:19,684 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-09-21 11:22:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:22:19,685 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2020-09-21 11:22:19,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:19,686 INFO L225 Difference]: With dead ends: 40 [2020-09-21 11:22:19,686 INFO L226 Difference]: Without dead ends: 36 [2020-09-21 11:22:19,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:22:19,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-09-21 11:22:19,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-09-21 11:22:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-09-21 11:22:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-09-21 11:22:19,694 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 49 [2020-09-21 11:22:19,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:19,694 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-09-21 11:22:19,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:22:19,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-09-21 11:22:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:22:19,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:19,696 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:19,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:22:19,696 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:19,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:19,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1079602236, now seen corresponding path program 7 times [2020-09-21 11:22:19,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:19,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136886777] [2020-09-21 11:22:19,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:22:19,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 11:22:19,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-21 11:22:19,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 11:22:19,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:19,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:19,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:19,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:19,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:19,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:19,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:19,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:19,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:19,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:19,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:19,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-21 11:22:19,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-21 11:22:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:22:19,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:19,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:20,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:22:20,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:20,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:20,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:22:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:20,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:22:20,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:20,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:20,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:22:20,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:20,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:20,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:22:20,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:20,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:20,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:20,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:20,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 16 proven. 89 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-09-21 11:22:20,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136886777] [2020-09-21 11:22:20,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:20,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:22:20,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072626185] [2020-09-21 11:22:20,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:22:20,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:20,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:22:20,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:20,466 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 13 states. [2020-09-21 11:22:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:20,597 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-09-21 11:22:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:22:20,598 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2020-09-21 11:22:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:20,599 INFO L225 Difference]: With dead ends: 43 [2020-09-21 11:22:20,599 INFO L226 Difference]: Without dead ends: 39 [2020-09-21 11:22:20,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:22:20,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-09-21 11:22:20,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-09-21 11:22:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 11:22:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-09-21 11:22:20,606 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 55 [2020-09-21 11:22:20,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:20,607 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-09-21 11:22:20,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:22:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-09-21 11:22:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:22:20,608 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:20,608 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:20,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:22:20,609 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:20,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:20,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1035381916, now seen corresponding path program 8 times [2020-09-21 11:22:20,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:20,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093558119] [2020-09-21 11:22:20,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:22:20,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-21 11:22:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-21 11:22:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:22:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:20,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:20,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:20,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:20,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:20,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:20,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:20,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:20,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:20,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:20,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 11:22:20,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:20,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-21 11:22:20,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:20,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:22:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:20,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:21,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-21 11:22:21,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:21,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:21,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:22:21,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:21,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:21,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 11:22:21,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:21,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:21,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:21,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:21,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:22:21,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:21,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:21,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:21,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:21,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:21,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:22:21,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:21,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:21,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:21,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:22:21,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:21,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-09-21 11:22:21,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:21,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 24 proven. 113 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-21 11:22:21,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093558119] [2020-09-21 11:22:21,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:21,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:22:21,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642212627] [2020-09-21 11:22:21,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:22:21,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:21,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:22:21,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:22:21,675 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 15 states. [2020-09-21 11:22:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:21,817 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-09-21 11:22:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:22:21,817 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2020-09-21 11:22:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:21,819 INFO L225 Difference]: With dead ends: 46 [2020-09-21 11:22:21,819 INFO L226 Difference]: Without dead ends: 42 [2020-09-21 11:22:21,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=361, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:22:21,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-21 11:22:21,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-21 11:22:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-21 11:22:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-09-21 11:22:21,826 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 61 [2020-09-21 11:22:21,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:21,826 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-09-21 11:22:21,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:22:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-09-21 11:22:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 11:22:21,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:21,828 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:21,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:22:21,828 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:21,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:21,828 INFO L82 PathProgramCache]: Analyzing trace with hash 952137732, now seen corresponding path program 9 times [2020-09-21 11:22:21,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:21,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273618959] [2020-09-21 11:22:21,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:22:21,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-21 11:22:21,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-21 11:22:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:22:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:21,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:21,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:21,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:21,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:21,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:21,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:21,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:21,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:22,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-21 11:22:22,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-21 11:22:22,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:22,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:22:22,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:22,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 11:22:22,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:22,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-21 11:22:22,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:22,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:22,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:22,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:22,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:22:22,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:22,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:22:22,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:22,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:22:22,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:22,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:22,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:22:22,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:22,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:22,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:22,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:22,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:22,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:22,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:22,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:22,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:22:22,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:22,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:22,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:23,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:23,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:23,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 40 proven. 131 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-09-21 11:22:23,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273618959] [2020-09-21 11:22:23,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:23,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:22:23,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739840947] [2020-09-21 11:22:23,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:22:23,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:23,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:22:23,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:22:23,065 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 15 states. [2020-09-21 11:22:23,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:23,234 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-21 11:22:23,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:22:23,235 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 67 [2020-09-21 11:22:23,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:23,237 INFO L225 Difference]: With dead ends: 49 [2020-09-21 11:22:23,237 INFO L226 Difference]: Without dead ends: 45 [2020-09-21 11:22:23,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:22:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-21 11:22:23,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-09-21 11:22:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-21 11:22:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-09-21 11:22:23,251 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 67 [2020-09-21 11:22:23,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:23,252 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-09-21 11:22:23,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:22:23,252 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-09-21 11:22:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-09-21 11:22:23,256 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:23,256 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:23,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:22:23,257 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:23,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:23,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1540970204, now seen corresponding path program 10 times [2020-09-21 11:22:23,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:23,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566673942] [2020-09-21 11:22:23,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:22:23,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-21 11:22:23,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:22:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:22:23,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:23,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:23,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:23,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:23,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-21 11:22:23,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:22:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:22:23,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:23,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 11:22:23,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:23,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:23,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-21 11:22:23,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:23,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:23,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:23,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:23,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:23,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:23,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-21 11:22:23,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:23,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:24,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:24,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 11:22:24,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:24,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:24,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:22:24,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:24,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 11:22:24,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:24,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:24,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:24,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:22:24,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:24,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:24,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:24,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:24,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:24,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:24,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:24,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:24,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:24,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:22:24,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:24,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:24,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 32 proven. 168 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-09-21 11:22:24,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566673942] [2020-09-21 11:22:24,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:24,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-21 11:22:24,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122480967] [2020-09-21 11:22:24,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-21 11:22:24,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:24,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-21 11:22:24,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:22:24,551 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 16 states. [2020-09-21 11:22:24,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:24,716 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-09-21 11:22:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:22:24,716 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 73 [2020-09-21 11:22:24,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:24,717 INFO L225 Difference]: With dead ends: 52 [2020-09-21 11:22:24,718 INFO L226 Difference]: Without dead ends: 48 [2020-09-21 11:22:24,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=452, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:22:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-09-21 11:22:24,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-09-21 11:22:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-21 11:22:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-09-21 11:22:24,724 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 73 [2020-09-21 11:22:24,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:24,725 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-09-21 11:22:24,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-21 11:22:24,725 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-09-21 11:22:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-21 11:22:24,726 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:24,726 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:24,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:22:24,726 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:24,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:24,727 INFO L82 PathProgramCache]: Analyzing trace with hash -2010530748, now seen corresponding path program 11 times [2020-09-21 11:22:24,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:24,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870017232] [2020-09-21 11:22:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-21 11:22:24,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-21 11:22:24,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-21 11:22:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:22:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:24,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:24,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:24,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:24,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:24,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:24,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:24,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:24,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:25,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-21 11:22:25,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-21 11:22:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:22:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:25,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-21 11:22:25,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:25,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-21 11:22:25,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:25,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:25,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:25,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-21 11:22:25,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:25,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:22:25,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:25,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:25,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:25,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:22:25,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:25,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:25,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:25,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:22:25,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:25,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:25,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:22:25,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:25,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:25,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:25,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:25,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:25,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:25,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:25,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:26,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:22:26,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:26,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:26,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:26,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:26,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:26,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:26,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:26,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 18 proven. 220 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-09-21 11:22:26,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870017232] [2020-09-21 11:22:26,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:26,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:22:26,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622519349] [2020-09-21 11:22:26,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:22:26,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:26,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:22:26,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:22:26,175 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 17 states. [2020-09-21 11:22:26,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:26,362 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-09-21 11:22:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:22:26,363 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 79 [2020-09-21 11:22:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:26,364 INFO L225 Difference]: With dead ends: 55 [2020-09-21 11:22:26,364 INFO L226 Difference]: Without dead ends: 51 [2020-09-21 11:22:26,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:22:26,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-21 11:22:26,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-09-21 11:22:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-09-21 11:22:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-09-21 11:22:26,379 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 79 [2020-09-21 11:22:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:26,380 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-09-21 11:22:26,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-21 11:22:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-09-21 11:22:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-21 11:22:26,381 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:26,385 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:26,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:22:26,386 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:26,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:26,386 INFO L82 PathProgramCache]: Analyzing trace with hash -986521316, now seen corresponding path program 12 times [2020-09-21 11:22:26,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:26,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380573182] [2020-09-21 11:22:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:22:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-21 11:22:26,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-21 11:22:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:22:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:26,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:26,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:26,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:26,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:26,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:26,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:26,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-09-21 11:22:26,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-21 11:22:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 11:22:26,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:26,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:27,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-21 11:22:27,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:27,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:27,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 11:22:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-21 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:27,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-21 11:22:27,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:27,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:27,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:22:27,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:27,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:27,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:22:27,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:27,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:27,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:22:27,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:27,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:27,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:27,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:22:27,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:27,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:27,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:27,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:27,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:27,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:22:27,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:27,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:27,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:27,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:27,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:27,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:27,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:27,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:27,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 4 proven. 260 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-09-21 11:22:28,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380573182] [2020-09-21 11:22:28,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:28,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 11:22:28,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092894482] [2020-09-21 11:22:28,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 11:22:28,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:28,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 11:22:28,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:22:28,053 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 18 states. [2020-09-21 11:22:28,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:28,277 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-09-21 11:22:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:22:28,277 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 85 [2020-09-21 11:22:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:28,278 INFO L225 Difference]: With dead ends: 58 [2020-09-21 11:22:28,279 INFO L226 Difference]: Without dead ends: 54 [2020-09-21 11:22:28,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=597, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:22:28,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-21 11:22:28,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-09-21 11:22:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 11:22:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-09-21 11:22:28,288 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 85 [2020-09-21 11:22:28,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:28,289 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-09-21 11:22:28,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 11:22:28,289 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-09-21 11:22:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:22:28,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:28,290 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:28,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:22:28,291 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:28,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:28,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1073897604, now seen corresponding path program 13 times [2020-09-21 11:22:28,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:28,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862915256] [2020-09-21 11:22:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-21 11:22:28,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-21 11:22:28,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-21 11:22:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:28,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:28,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-21 11:22:28,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-21 11:22:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:22:28,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:28,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:28,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:28,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:28,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:28,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:28,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-21 11:22:28,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:28,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:29,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-21 11:22:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:29,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-21 11:22:29,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:29,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:29,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-21 11:22:29,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:29,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 11:22:29,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:29,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:29,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:29,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:22:29,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:29,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:29,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:29,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:29,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:29,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:29,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:29,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:22:29,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:29,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:29,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:30,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:22:30,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:30,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:22:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:30,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:22:30,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:30,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:30,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:30,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:30,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:30,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:30,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:22:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:30,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:22:30,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:30,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:30,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:30,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:22:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:30,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:30,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:30,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:30,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:30,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:30,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:30,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:30,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:30,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:30,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:22:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 32 proven. 327 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-09-21 11:22:30,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862915256] [2020-09-21 11:22:30,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:30,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-21 11:22:30,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067379970] [2020-09-21 11:22:30,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-21 11:22:30,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:30,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-21 11:22:30,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:22:30,448 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 21 states. [2020-09-21 11:22:30,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:30,779 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-09-21 11:22:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:22:30,780 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 91 [2020-09-21 11:22:30,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:30,782 INFO L225 Difference]: With dead ends: 61 [2020-09-21 11:22:30,782 INFO L226 Difference]: Without dead ends: 57 [2020-09-21 11:22:30,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=414, Invalid=776, Unknown=0, NotChecked=0, Total=1190 [2020-09-21 11:22:30,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-09-21 11:22:30,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-09-21 11:22:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-09-21 11:22:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-09-21 11:22:30,799 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 91 [2020-09-21 11:22:30,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:30,802 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-09-21 11:22:30,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-21 11:22:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-09-21 11:22:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:22:30,805 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:30,805 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:30,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:22:30,806 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:30,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:30,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1572648100, now seen corresponding path program 14 times [2020-09-21 11:22:30,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:30,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115730565] [2020-09-21 11:22:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:31,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:31,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:31,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:31,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:31,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:22:31,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:31,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-21 11:22:31,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:31,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-21 11:22:31,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:22:31,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:31,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:31,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:31,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:31,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:31,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:31,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:31,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:31,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:31,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:31,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:31,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:31,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:31,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:31,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:31,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:31,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-21 11:22:31,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-21 11:22:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-21 11:22:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:31,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:31,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:31,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:31,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:31,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:31,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:31,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:31,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-21 11:22:31,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:31,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:31,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:31,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:31,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:31,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:31,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:31,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:31,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:31,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-21 11:22:31,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:31,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:31,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:32,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:32,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-21 11:22:32,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:32,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:32,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:32,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 11:22:32,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:32,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:32,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:32,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-21 11:22:32,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:32,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:32,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:32,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-21 11:22:32,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:32,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 11:22:32,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:32,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:32,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:22:32,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:32,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:32,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:22:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:32,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:32,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:32,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:32,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:32,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:32,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:32,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:32,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:33,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:33,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:33,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:33,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:33,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:33,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:33,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:33,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:22:33,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:33,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:33,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:33,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:33,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:33,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:33,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:33,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:33,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:22:33,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:33,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:33,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:33,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:33,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:33,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:33,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:33,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:33,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:33,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:33,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:33,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:33,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:33,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:33,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:33,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:33,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:33,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:33,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 69 proven. 349 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-09-21 11:22:33,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115730565] [2020-09-21 11:22:33,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:33,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-21 11:22:33,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191250112] [2020-09-21 11:22:33,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-21 11:22:33,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:33,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-21 11:22:33,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:22:33,263 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 21 states. [2020-09-21 11:22:33,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:33,522 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-09-21 11:22:33,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 11:22:33,523 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 97 [2020-09-21 11:22:33,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:33,524 INFO L225 Difference]: With dead ends: 64 [2020-09-21 11:22:33,524 INFO L226 Difference]: Without dead ends: 60 [2020-09-21 11:22:33,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=446, Invalid=814, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:22:33,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-21 11:22:33,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-09-21 11:22:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-21 11:22:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-09-21 11:22:33,536 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 97 [2020-09-21 11:22:33,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:33,536 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-09-21 11:22:33,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-21 11:22:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-09-21 11:22:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:22:33,539 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:33,539 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:33,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 11:22:33,539 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:33,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:33,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1584030916, now seen corresponding path program 15 times [2020-09-21 11:22:33,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:33,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317673646] [2020-09-21 11:22:33,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:33,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:33,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:33,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:33,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:33,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-21 11:22:33,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-21 11:22:33,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-21 11:22:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:22:33,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:33,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:33,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:33,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:33,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:33,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:33,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:33,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:33,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:33,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:33,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:34,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:34,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:34,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:34,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:34,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:34,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-21 11:22:34,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-21 11:22:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:22:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:34,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:34,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:34,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:34,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:34,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:34,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-21 11:22:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:34,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:34,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:34,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:34,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:34,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:34,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:34,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:34,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-09-21 11:22:34,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:34,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:34,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:34,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:34,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:34,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:34,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:34,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-09-21 11:22:34,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:34,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:35,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-21 11:22:35,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:35,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:35,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 11:22:35,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-21 11:22:35,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:35,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:35,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:35,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:22:35,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:35,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:35,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 11:22:35,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:35,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:35,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:22:35,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:35,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:35,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:35,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:22:35,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:35,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:35,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:22:35,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:35,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:35,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:35,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:35,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:35,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:35,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:35,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:35,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:35,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:35,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:35,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:22:35,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:35,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:36,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:36,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:36,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:36,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:36,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:36,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:36,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:36,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:36,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:36,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:36,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:36,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:36,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:36,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:36,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:36,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:36,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:36,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:36,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:36,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:36,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:36,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 23 proven. 421 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-09-21 11:22:36,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317673646] [2020-09-21 11:22:36,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:36,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-21 11:22:36,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091898627] [2020-09-21 11:22:36,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-21 11:22:36,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:36,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-21 11:22:36,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=260, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:22:36,122 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 21 states. [2020-09-21 11:22:36,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:36,455 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-09-21 11:22:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-21 11:22:36,456 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 103 [2020-09-21 11:22:36,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:36,459 INFO L225 Difference]: With dead ends: 67 [2020-09-21 11:22:36,459 INFO L226 Difference]: Without dead ends: 63 [2020-09-21 11:22:36,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=480, Invalid=852, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:22:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-09-21 11:22:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-09-21 11:22:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-09-21 11:22:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-09-21 11:22:36,466 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 103 [2020-09-21 11:22:36,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:36,467 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-09-21 11:22:36,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-21 11:22:36,467 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-09-21 11:22:36,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:22:36,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:36,469 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:36,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-21 11:22:36,469 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1066046876, now seen corresponding path program 16 times [2020-09-21 11:22:36,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:36,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40089105] [2020-09-21 11:22:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:36,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:36,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:36,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:22:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:36,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:36,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:36,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:37,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:37,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:37,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:37,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:37,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:37,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-21 11:22:37,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-21 11:22:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-21 11:22:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:37,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:37,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:37,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:37,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:37,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:37,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:37,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-21 11:22:37,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:37,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:37,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:37,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:37,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:37,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:37,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:37,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:37,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:37,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-21 11:22:37,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:37,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:37,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:37,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:37,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:37,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:37,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:37,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-21 11:22:37,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:38,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-21 11:22:38,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:38,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-21 11:22:38,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:38,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:38,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 11:22:38,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:38,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:22:38,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 11:22:38,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:38,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:22:38,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:38,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:38,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:22:38,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:38,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:38,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:38,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:22:38,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:38,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:38,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:22:38,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:38,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:38,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:38,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:38,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:38,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:22:38,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:39,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:39,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:39,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:39,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:39,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:39,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:39,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:22:39,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:39,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:39,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:39,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:39,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:39,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:39,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:39,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:39,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:39,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:39,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:39,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:39,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:39,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:39,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:39,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:39,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 32 proven. 496 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-09-21 11:22:39,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40089105] [2020-09-21 11:22:39,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:39,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 11:22:39,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704847110] [2020-09-21 11:22:39,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 11:22:39,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:39,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 11:22:39,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=325, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:22:39,218 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 23 states. [2020-09-21 11:22:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:39,575 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-09-21 11:22:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:22:39,575 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 109 [2020-09-21 11:22:39,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:39,577 INFO L225 Difference]: With dead ends: 70 [2020-09-21 11:22:39,577 INFO L226 Difference]: Without dead ends: 66 [2020-09-21 11:22:39,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=555, Invalid=1005, Unknown=0, NotChecked=0, Total=1560 [2020-09-21 11:22:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-21 11:22:39,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-09-21 11:22:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-21 11:22:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-09-21 11:22:39,584 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 109 [2020-09-21 11:22:39,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:39,584 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-09-21 11:22:39,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 11:22:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-09-21 11:22:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-09-21 11:22:39,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:39,586 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:39,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-21 11:22:39,586 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:39,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:39,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1300351236, now seen corresponding path program 17 times [2020-09-21 11:22:39,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:39,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108975786] [2020-09-21 11:22:39,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:39,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:39,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:39,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:39,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:39,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:22:39,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:39,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-21 11:22:39,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-21 11:22:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 11:22:39,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:39,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:39,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:39,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:39,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:39,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:39,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:39,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:39,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:39,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:39,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:39,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:40,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:40,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:40,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:40,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-09-21 11:22:40,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:40,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:40,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:40,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:40,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:40,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:40,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:40,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:40,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:40,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:40,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-21 11:22:40,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:40,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:40,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:40,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:40,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:40,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:40,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:40,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:40,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-21 11:22:40,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:40,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:40,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:40,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:40,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:41,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:41,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:41,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:41,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:41,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:41,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-21 11:22:41,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:41,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:41,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:41,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:41,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:41,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:41,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:41,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:41,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:41,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:41,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:41,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-21 11:22:41,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:41,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:41,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:41,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:41,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:41,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:41,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:41,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 11:22:41,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:41,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:41,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:41,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:41,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:41,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:41,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:41,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-21 11:22:41,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:41,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:41,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:41,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:41,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:41,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:41,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:41,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:41,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 11:22:41,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:41,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:41,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:41,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:41,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:41,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:41,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:41,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:41,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:22:41,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:41,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:42,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:22:42,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:42,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:42,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:42,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:22:42,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:42,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:22:42,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:42,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:42,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:42,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:22:42,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:42,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:42,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:22:42,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:42,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:42,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:42,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:42,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:42,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:42,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:42,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:42,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 54 proven. 541 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-09-21 11:22:42,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108975786] [2020-09-21 11:22:42,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:42,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 11:22:42,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371729564] [2020-09-21 11:22:42,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 11:22:42,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:42,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 11:22:42,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:22:42,580 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 23 states. [2020-09-21 11:22:42,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:42,917 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-09-21 11:22:42,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:22:42,918 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 115 [2020-09-21 11:22:42,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:42,919 INFO L225 Difference]: With dead ends: 73 [2020-09-21 11:22:42,919 INFO L226 Difference]: Without dead ends: 69 [2020-09-21 11:22:42,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=593, Invalid=1047, Unknown=0, NotChecked=0, Total=1640 [2020-09-21 11:22:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-09-21 11:22:42,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-09-21 11:22:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-09-21 11:22:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-09-21 11:22:42,935 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 115 [2020-09-21 11:22:42,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:42,936 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-09-21 11:22:42,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 11:22:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-09-21 11:22:42,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-21 11:22:42,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:42,938 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:42,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-21 11:22:42,939 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:42,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:42,940 INFO L82 PathProgramCache]: Analyzing trace with hash 227065820, now seen corresponding path program 18 times [2020-09-21 11:22:42,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:42,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611036599] [2020-09-21 11:22:42,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:22:43,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:43,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:43,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:43,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:43,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-21 11:22:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:43,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-21 11:22:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:43,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:44,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-21 11:22:44,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:44,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-21 11:22:44,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:44,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:44,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:44,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-09-21 11:22:44,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:45,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-21 11:22:45,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:45,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-21 11:22:45,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:45,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-21 11:22:45,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:45,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:45,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:45,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 11:22:45,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:45,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:45,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:45,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 11:22:45,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:45,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:45,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:22:45,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:45,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:46,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:22:46,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:46,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:22:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:46,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:22:46,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:46,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:22:46,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:46,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:46,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:46,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:46,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:46,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:46,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:46,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:46,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:46,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:46,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:46,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 120 proven. 525 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-09-21 11:22:46,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611036599] [2020-09-21 11:22:46,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:46,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-21 11:22:46,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223055612] [2020-09-21 11:22:46,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-21 11:22:46,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:46,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-21 11:22:46,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:22:46,548 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 24 states. [2020-09-21 11:22:46,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:46,910 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-09-21 11:22:46,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:22:46,912 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 121 [2020-09-21 11:22:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:46,913 INFO L225 Difference]: With dead ends: 76 [2020-09-21 11:22:46,913 INFO L226 Difference]: Without dead ends: 72 [2020-09-21 11:22:46,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=654, Invalid=1152, Unknown=0, NotChecked=0, Total=1806 [2020-09-21 11:22:46,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-21 11:22:46,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-21 11:22:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:22:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-09-21 11:22:46,919 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 121 [2020-09-21 11:22:46,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:46,920 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-09-21 11:22:46,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-21 11:22:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-09-21 11:22:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-21 11:22:46,921 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:46,921 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:46,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-21 11:22:46,922 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:46,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:46,922 INFO L82 PathProgramCache]: Analyzing trace with hash -479687356, now seen corresponding path program 19 times [2020-09-21 11:22:46,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:46,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264290126] [2020-09-21 11:22:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:22:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:47,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:47,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-21 11:22:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:48,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-21 11:22:48,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:48,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-21 11:22:48,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:48,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-21 11:22:48,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:48,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-21 11:22:48,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:48,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:49,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-21 11:22:49,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:49,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:49,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-21 11:22:49,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:49,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-21 11:22:49,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:49,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:49,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-21 11:22:49,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:50,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 11:22:50,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:50,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:50,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:22:50,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:50,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:50,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:22:50,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:50,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:22:50,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:50,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:22:50,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:50,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:22:50,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:50,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:50,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:50,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:22:50,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:50,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:22:50,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:50,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:50,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:22:50,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:50,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:50,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:50,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:50,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:50,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:50,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 104 proven. 637 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2020-09-21 11:22:50,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264290126] [2020-09-21 11:22:50,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:50,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-21 11:22:50,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030855001] [2020-09-21 11:22:50,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-21 11:22:50,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:50,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-21 11:22:50,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:22:50,863 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 25 states. [2020-09-21 11:22:51,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:51,257 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-09-21 11:22:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:22:51,257 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 127 [2020-09-21 11:22:51,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:51,259 INFO L225 Difference]: With dead ends: 79 [2020-09-21 11:22:51,259 INFO L226 Difference]: Without dead ends: 75 [2020-09-21 11:22:51,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=718, Invalid=1262, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:22:51,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-21 11:22:51,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-09-21 11:22:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-21 11:22:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-09-21 11:22:51,265 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 127 [2020-09-21 11:22:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:51,266 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-09-21 11:22:51,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-21 11:22:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-09-21 11:22:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-21 11:22:51,268 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:51,268 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:51,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-21 11:22:51,268 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:51,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1598174692, now seen corresponding path program 20 times [2020-09-21 11:22:51,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:51,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435368439] [2020-09-21 11:22:51,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-21 11:22:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:51,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:22:52,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-09-21 11:22:52,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-21 11:22:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-21 11:22:52,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:52,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-09-21 11:22:52,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:22:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:22:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:53,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-09-21 11:22:53,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:53,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:53,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-21 11:22:53,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:53,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:53,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-21 11:22:53,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:54,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-21 11:22:54,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:54,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-21 11:22:54,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:54,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-21 11:22:54,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:54,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:54,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:54,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-21 11:22:54,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:54,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-21 11:22:54,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:22:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:22:54,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:22:54,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 11:22:54,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:22:54,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:22:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:55,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:22:55,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:22:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:22:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:22:55,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:22:55,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:22:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:22:55,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:22:55,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:22:55,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:22:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:22:55,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:22:55,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:22:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:22:55,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:55,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:22:55,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:22:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:22:55,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:22:55,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:22:55,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:22:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:55,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:22:55,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:55,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:22:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:22:55,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:22:55,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:55,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:22:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:55,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:55,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:55,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:55,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 99 proven. 740 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-09-21 11:22:55,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435368439] [2020-09-21 11:22:55,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:22:55,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-21 11:22:55,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565272514] [2020-09-21 11:22:55,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-21 11:22:55,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-21 11:22:55,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=439, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:22:55,716 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 27 states. [2020-09-21 11:22:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:56,162 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-09-21 11:22:56,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:22:56,163 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 133 [2020-09-21 11:22:56,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:56,164 INFO L225 Difference]: With dead ends: 82 [2020-09-21 11:22:56,164 INFO L226 Difference]: Without dead ends: 78 [2020-09-21 11:22:56,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=809, Invalid=1447, Unknown=0, NotChecked=0, Total=2256 [2020-09-21 11:22:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-21 11:22:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-09-21 11:22:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-09-21 11:22:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-09-21 11:22:56,170 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 133 [2020-09-21 11:22:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:56,170 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-09-21 11:22:56,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-21 11:22:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-09-21 11:22:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-09-21 11:22:56,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:56,172 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:56,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-21 11:22:56,172 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:56,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:56,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1648275844, now seen corresponding path program 21 times [2020-09-21 11:22:56,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:56,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545530912] [2020-09-21 11:22:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-21 11:22:56,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-09-21 11:22:56,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-21 11:22:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:22:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:56,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:22:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-21 11:22:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:22:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-21 11:22:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-21 11:22:57,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:22:57,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:22:57,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:22:58,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-21 11:22:58,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:22:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:22:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:58,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:22:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-21 11:22:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:22:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:22:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:58,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:22:58,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-21 11:22:58,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:22:58,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:22:58,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:58,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:22:59,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-21 11:22:59,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:22:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:22:59,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:22:59,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-09-21 11:22:59,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:22:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:22:59,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:22:59,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-21 11:22:59,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:22:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:22:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:22:59,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-21 11:22:59,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:22:59,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:22:59,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:22:59,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-21 11:22:59,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:22:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:22:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:00,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-21 11:23:00,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:23:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:23:00,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:00,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:23:00,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-21 11:23:00,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:23:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:23:00,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:23:00,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 11:23:00,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:23:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:23:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:00,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:00,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:23:00,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:23:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:23:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:00,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:23:00,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:23:00,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:23:00,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:23:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:23:00,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:23:00,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:23:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:23:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:23:00,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:23:00,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:23:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:23:00,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:23:00,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:23:00,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:23:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:23:00,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:23:00,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:23:00,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:23:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:23:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:00,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:23:00,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:23:00,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:23:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:23:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:00,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:00,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:00,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:00,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:00,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:00,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:23:00,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:23:00,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:23:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 74 proven. 814 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2020-09-21 11:23:00,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545530912] [2020-09-21 11:23:00,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:23:00,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-21 11:23:00,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862625555] [2020-09-21 11:23:00,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-21 11:23:00,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:00,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-21 11:23:00,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=419, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:23:00,988 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 27 states. [2020-09-21 11:23:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:01,422 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-09-21 11:23:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 11:23:01,426 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 139 [2020-09-21 11:23:01,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:01,427 INFO L225 Difference]: With dead ends: 85 [2020-09-21 11:23:01,428 INFO L226 Difference]: Without dead ends: 81 [2020-09-21 11:23:01,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=855, Invalid=1497, Unknown=0, NotChecked=0, Total=2352 [2020-09-21 11:23:01,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-09-21 11:23:01,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-09-21 11:23:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 11:23:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-09-21 11:23:01,434 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 139 [2020-09-21 11:23:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:01,434 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-09-21 11:23:01,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-21 11:23:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-09-21 11:23:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 11:23:01,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:01,436 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:23:01,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-21 11:23:01,436 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:01,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:01,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1314278308, now seen corresponding path program 22 times [2020-09-21 11:23:01,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:01,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390438532] [2020-09-21 11:23:01,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:01,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:01,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:01,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:01,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:01,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-21 11:23:01,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-09-21 11:23:01,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-21 11:23:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:23:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-21 11:23:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:01,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:01,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:01,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:01,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:01,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:23:01,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:01,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:02,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:02,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:02,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:02,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:02,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:23:02,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:02,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-09-21 11:23:02,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-21 11:23:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:23:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-21 11:23:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:02,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:02,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:02,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:02,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:02,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:23:02,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:02,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-09-21 11:23:02,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-21 11:23:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-09-21 11:23:02,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:02,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:03,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:03,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:03,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:03,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:03,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:23:03,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:03,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-09-21 11:23:03,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-21 11:23:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:23:03,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:03,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:03,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:03,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:03,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:03,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:03,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:23:03,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:03,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-21 11:23:03,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:03,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:23:03,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:03,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:23:03,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:03,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:04,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:04,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:04,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:04,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:04,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:23:04,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:04,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-21 11:23:04,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:04,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:23:04,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:23:04,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:04,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:04,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:04,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:04,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:04,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:04,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:23:04,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-21 11:23:04,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:23:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:23:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:04,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:04,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:04,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:04,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:04,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:04,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:23:04,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-21 11:23:04,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:23:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:23:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:04,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:04,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:04,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:04,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:04,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:23:04,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:04,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-21 11:23:04,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:04,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:23:04,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:04,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:23:04,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:04,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:05,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:05,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:05,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:05,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:05,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:23:05,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:05,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-21 11:23:05,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:05,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:23:05,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:23:05,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:05,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:05,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:05,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:05,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:05,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:05,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:23:05,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:05,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-21 11:23:05,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:05,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:23:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:23:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:05,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:05,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:05,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:05,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:05,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:05,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:23:05,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-21 11:23:05,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:23:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:23:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:05,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:05,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:05,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:05,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:05,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:05,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:23:05,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-21 11:23:05,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:23:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:23:05,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:05,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:05,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:05,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:05,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:05,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:05,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-21 11:23:05,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:23:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:23:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:05,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:23:06,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-21 11:23:06,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:23:06,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:23:06,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:06,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:23:06,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:23:06,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-21 11:23:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:23:06,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:06,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:06,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:23:06,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:23:06,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:23:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:06,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:23:06,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:23:06,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:23:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:23:06,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:06,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 11:23:06,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:23:06,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:23:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:23:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:23:06,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:23:06,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:23:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:23:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:06,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:23:06,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:23:06,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:23:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:23:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:06,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:23:06,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:23:06,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:23:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:23:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:06,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:23:06,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:23:06,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:23:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:23:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:06,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:06,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:06,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:06,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:06,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:06,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:23:06,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:06,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:23:06,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:23:06,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 130 proven. 815 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2020-09-21 11:23:06,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390438532] [2020-09-21 11:23:06,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:23:06,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-09-21 11:23:06,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128079348] [2020-09-21 11:23:06,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-09-21 11:23:06,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:06,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-09-21 11:23:06,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=502, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:23:06,930 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 29 states. [2020-09-21 11:23:07,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:07,392 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-09-21 11:23:07,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:23:07,393 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 145 [2020-09-21 11:23:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:07,394 INFO L225 Difference]: With dead ends: 88 [2020-09-21 11:23:07,395 INFO L226 Difference]: Without dead ends: 84 [2020-09-21 11:23:07,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=954, Invalid=1698, Unknown=0, NotChecked=0, Total=2652 [2020-09-21 11:23:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-09-21 11:23:07,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-09-21 11:23:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-09-21 11:23:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-09-21 11:23:07,400 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 145 [2020-09-21 11:23:07,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:07,401 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-09-21 11:23:07,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-09-21 11:23:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-09-21 11:23:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-21 11:23:07,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:07,403 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:23:07,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-21 11:23:07,403 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:07,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2015638980, now seen corresponding path program 23 times [2020-09-21 11:23:07,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:07,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714958716] [2020-09-21 11:23:07,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-09-21 11:23:07,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-09-21 11:23:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:23:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 11:23:07,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:07,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:07,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:07,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:07,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:07,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:23:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:08,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:08,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:08,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:08,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:08,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 11:23:08,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-09-21 11:23:08,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-09-21 11:23:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:23:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-09-21 11:23:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:08,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:08,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:08,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:08,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:08,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:08,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:23:08,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-09-21 11:23:08,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-09-21 11:23:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-21 11:23:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:23:09,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-09-21 11:23:09,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-21 11:23:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-09-21 11:23:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:23:09,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-09-21 11:23:09,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-21 11:23:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:23:09,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:23:10,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-09-21 11:23:10,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-21 11:23:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-21 11:23:10,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:10,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 11:23:10,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-21 11:23:10,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:23:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-21 11:23:10,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:10,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:23:10,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-21 11:23:10,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:23:10,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:10,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:23:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:11,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:11,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:11,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:11,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:23:11,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-21 11:23:11,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-21 11:23:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:23:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:11,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:11,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:11,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:11,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:11,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:23:11,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:11,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-21 11:23:11,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:11,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-21 11:23:11,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:11,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:23:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:11,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:11,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:11,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:11,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:11,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:23:11,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-21 11:23:11,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:23:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 11:23:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:12,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:12,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:12,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:12,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:12,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:23:12,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-21 11:23:12,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:23:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:23:12,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:12,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:12,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:12,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:12,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:12,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:12,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:23:12,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:12,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-21 11:23:12,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-21 11:23:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:23:12,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:12,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:12,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:12,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:12,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:12,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:12,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:23:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-21 11:23:12,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-21 11:23:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:23:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:12,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:12,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:12,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:12,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:12,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:12,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:12,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 11:23:12,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-21 11:23:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:23:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:12,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:12,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:12,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:12,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:12,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:12,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:23:12,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 11:23:12,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 11:23:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:23:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1