/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/Fibonacci05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:19:32,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:19:32,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:19:32,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:19:32,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:19:32,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:19:32,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:19:32,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:19:32,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:19:32,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:19:32,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:19:32,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:19:32,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:19:32,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:19:32,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:19:32,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:19:32,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:19:32,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:19:32,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:19:32,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:19:32,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:19:32,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:19:32,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:19:32,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:19:32,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:19:32,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:19:32,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:19:32,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:19:32,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:19:32,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:19:32,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:19:32,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:19:32,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:19:32,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:19:32,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:19:32,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:19:32,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:19:32,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:19:32,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:19:32,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:19:32,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:19:32,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:19:32,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:19:32,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:19:32,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:19:32,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:19:32,595 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:19:32,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:19:32,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:19:32,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:19:32,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:19:32,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:19:32,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:19:32,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:19:32,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:19:32,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:19:32,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:19:32,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:19:32,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:19:32,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:19:32,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:19:32,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:19:32,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:19:32,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:19:32,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:19:32,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:19:32,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:19:32,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:19:32,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:19:32,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:19:32,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:19:32,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:19:33,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:19:33,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:19:33,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:19:33,088 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:19:33,089 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:19:33,090 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci05.c [2020-09-21 11:19:33,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae15d2a45/e759c2341c6142af98ce4552a91087fc/FLAG9584ca17e [2020-09-21 11:19:33,739 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:19:33,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci05.c [2020-09-21 11:19:33,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae15d2a45/e759c2341c6142af98ce4552a91087fc/FLAG9584ca17e [2020-09-21 11:19:34,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae15d2a45/e759c2341c6142af98ce4552a91087fc [2020-09-21 11:19:34,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:19:34,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:19:34,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:19:34,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:19:34,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:19:34,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad15a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34, skipping insertion in model container [2020-09-21 11:19:34,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:19:34,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:19:34,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:19:34,442 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:19:34,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:19:34,482 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:19:34,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34 WrapperNode [2020-09-21 11:19:34,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:19:34,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:19:34,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:19:34,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:19:34,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... [2020-09-21 11:19:34,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:19:34,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:19:34,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:19:34,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:19:34,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:19:34,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:19:34,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:19:34,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-09-21 11:19:34,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:19:34,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:19:34,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:19:34,668 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-09-21 11:19:34,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:19:34,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:19:34,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:19:34,876 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:19:34,877 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:19:34,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:19:34 BoogieIcfgContainer [2020-09-21 11:19:34,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:19:34,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:19:34,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:19:34,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:19:34,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:19:34" (1/3) ... [2020-09-21 11:19:34,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f55e742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:19:34, skipping insertion in model container [2020-09-21 11:19:34,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:19:34" (2/3) ... [2020-09-21 11:19:34,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f55e742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:19:34, skipping insertion in model container [2020-09-21 11:19:34,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:19:34" (3/3) ... [2020-09-21 11:19:34,929 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci05.c [2020-09-21 11:19:34,947 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:19:34,973 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:19:34,998 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:19:35,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:19:35,036 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:19:35,036 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:19:35,036 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:19:35,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:19:35,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:19:35,037 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:19:35,037 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:19:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-09-21 11:19:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 11:19:35,065 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:35,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:35,066 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:35,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:35,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1356498376, now seen corresponding path program 1 times [2020-09-21 11:19:35,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:35,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590600849] [2020-09-21 11:19:35,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:19:35,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:19:35,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:35,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:35,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:35,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:35,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:19:35,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:19:35,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590600849] [2020-09-21 11:19:35,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:19:35,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:19:35,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827597202] [2020-09-21 11:19:35,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:19:35,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:35,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:19:35,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:19:35,408 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2020-09-21 11:19:35,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:35,548 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-09-21 11:19:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:19:35,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 11:19:35,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:35,564 INFO L225 Difference]: With dead ends: 35 [2020-09-21 11:19:35,564 INFO L226 Difference]: Without dead ends: 21 [2020-09-21 11:19:35,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:19:35,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-09-21 11:19:35,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-09-21 11:19:35,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 11:19:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 11:19:35,621 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-09-21 11:19:35,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:35,622 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 11:19:35,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:19:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 11:19:35,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 11:19:35,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:35,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:35,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:19:35,625 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:35,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:35,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1591396412, now seen corresponding path program 1 times [2020-09-21 11:19:35,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:35,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643865417] [2020-09-21 11:19:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:19:35,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:19:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:19:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:35,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:35,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:35,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:35,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:35,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:35,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:35,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:35,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:19:35,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643865417] [2020-09-21 11:19:35,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:19:35,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:19:35,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179578195] [2020-09-21 11:19:35,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:19:35,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:35,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:19:35,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:19:35,777 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-09-21 11:19:35,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:35,871 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-09-21 11:19:35,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:19:35,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 11:19:35,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:35,874 INFO L225 Difference]: With dead ends: 27 [2020-09-21 11:19:35,874 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 11:19:35,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:19:35,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 11:19:35,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-09-21 11:19:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 11:19:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 11:19:35,883 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-09-21 11:19:35,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:35,884 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 11:19:35,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:19:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 11:19:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 11:19:35,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:35,885 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:35,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:19:35,886 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:35,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1761048597, now seen corresponding path program 1 times [2020-09-21 11:19:35,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:35,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263381765] [2020-09-21 11:19:35,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:19:35,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:19:35,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:35,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:19:35,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:35,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:35,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:35,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:35,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:35,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:35,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:35,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:35,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:35,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:35,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:35,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:19:35,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:35,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:19:35,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:19:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:36,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:19:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:19:36,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263381765] [2020-09-21 11:19:36,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:36,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:19:36,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104770192] [2020-09-21 11:19:36,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:19:36,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:36,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:19:36,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:19:36,075 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2020-09-21 11:19:36,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:36,196 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-09-21 11:19:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:19:36,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-09-21 11:19:36,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:36,198 INFO L225 Difference]: With dead ends: 38 [2020-09-21 11:19:36,198 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 11:19:36,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:19:36,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 11:19:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-09-21 11:19:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-09-21 11:19:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-09-21 11:19:36,208 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-09-21 11:19:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:36,208 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-09-21 11:19:36,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:19:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-09-21 11:19:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:19:36,210 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:36,210 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:36,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:19:36,211 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:36,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:36,212 INFO L82 PathProgramCache]: Analyzing trace with hash -624449707, now seen corresponding path program 1 times [2020-09-21 11:19:36,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:36,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941627368] [2020-09-21 11:19:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:19:36,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:19:36,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:19:36,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:19:36,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:36,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:36,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:36,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:19:36,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:19:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:36,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:36,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:19:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:36,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:19:36,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941627368] [2020-09-21 11:19:36,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:36,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:19:36,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809036365] [2020-09-21 11:19:36,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:19:36,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:36,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:19:36,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:19:36,500 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-09-21 11:19:36,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:36,634 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2020-09-21 11:19:36,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:19:36,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 11:19:36,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:36,638 INFO L225 Difference]: With dead ends: 41 [2020-09-21 11:19:36,638 INFO L226 Difference]: Without dead ends: 37 [2020-09-21 11:19:36,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:19:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-09-21 11:19:36,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-09-21 11:19:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-09-21 11:19:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-09-21 11:19:36,651 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2020-09-21 11:19:36,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:36,652 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-09-21 11:19:36,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:19:36,652 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-09-21 11:19:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-21 11:19:36,654 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:36,654 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:36,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:19:36,655 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:36,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:36,655 INFO L82 PathProgramCache]: Analyzing trace with hash -111055954, now seen corresponding path program 2 times [2020-09-21 11:19:36,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:36,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457317846] [2020-09-21 11:19:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 11:19:36,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:19:36,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:19:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:19:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:36,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:19:36,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:19:36,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:19:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:19:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:36,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:19:36,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:36,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:36,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:36,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:36,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:36,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:36,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:36,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:36,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:36,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:36,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:36,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:36,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:36,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:19:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:19:36,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457317846] [2020-09-21 11:19:36,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:36,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:19:36,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201923264] [2020-09-21 11:19:36,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:19:36,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:36,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:19:36,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:19:36,949 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 8 states. [2020-09-21 11:19:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:37,136 INFO L93 Difference]: Finished difference Result 76 states and 119 transitions. [2020-09-21 11:19:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:19:37,138 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-09-21 11:19:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:37,140 INFO L225 Difference]: With dead ends: 76 [2020-09-21 11:19:37,140 INFO L226 Difference]: Without dead ends: 45 [2020-09-21 11:19:37,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:19:37,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-21 11:19:37,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2020-09-21 11:19:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 11:19:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-09-21 11:19:37,155 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 40 [2020-09-21 11:19:37,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:37,155 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-09-21 11:19:37,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:19:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-09-21 11:19:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 11:19:37,158 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:37,158 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:37,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:19:37,158 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:37,159 INFO L82 PathProgramCache]: Analyzing trace with hash 380905728, now seen corresponding path program 3 times [2020-09-21 11:19:37,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:37,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753799523] [2020-09-21 11:19:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:19:37,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:19:37,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:19:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:19:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:37,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:37,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:19:37,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:19:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:37,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:37,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:37,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:37,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:37,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:19:37,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:37,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:37,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:37,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:37,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:37,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:37,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:37,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:19:37,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753799523] [2020-09-21 11:19:37,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:37,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:19:37,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37410546] [2020-09-21 11:19:37,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:19:37,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:37,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:19:37,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:19:37,398 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 8 states. [2020-09-21 11:19:37,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:37,548 INFO L93 Difference]: Finished difference Result 88 states and 144 transitions. [2020-09-21 11:19:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:19:37,549 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-09-21 11:19:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:37,552 INFO L225 Difference]: With dead ends: 88 [2020-09-21 11:19:37,552 INFO L226 Difference]: Without dead ends: 53 [2020-09-21 11:19:37,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:19:37,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-09-21 11:19:37,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-09-21 11:19:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-09-21 11:19:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-09-21 11:19:37,566 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 41 [2020-09-21 11:19:37,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:37,567 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-09-21 11:19:37,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:19:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-09-21 11:19:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:19:37,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:37,570 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:37,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:19:37,571 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:37,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:37,571 INFO L82 PathProgramCache]: Analyzing trace with hash -383842586, now seen corresponding path program 4 times [2020-09-21 11:19:37,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:37,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510338400] [2020-09-21 11:19:37,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 11:19:37,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:19:37,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:19:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:19:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:37,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:37,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:37,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:19:37,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:19:37,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:19:37,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:37,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:37,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:37,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:19:37,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:37,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:19:37,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:37,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:37,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:37,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:37,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:37,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:37,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:37,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:37,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:19:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:37,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:37,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:37,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:37,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:37,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:37,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:37,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:37,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:37,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:37,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:37,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 96 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-09-21 11:19:37,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510338400] [2020-09-21 11:19:37,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:37,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:19:37,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368838713] [2020-09-21 11:19:37,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:19:37,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:37,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:19:37,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:19:37,876 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 9 states. [2020-09-21 11:19:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:38,039 INFO L93 Difference]: Finished difference Result 95 states and 145 transitions. [2020-09-21 11:19:38,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:19:38,040 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-09-21 11:19:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:38,044 INFO L225 Difference]: With dead ends: 95 [2020-09-21 11:19:38,044 INFO L226 Difference]: Without dead ends: 91 [2020-09-21 11:19:38,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:19:38,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-21 11:19:38,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 85. [2020-09-21 11:19:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 11:19:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 132 transitions. [2020-09-21 11:19:38,065 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 132 transitions. Word has length 68 [2020-09-21 11:19:38,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:38,066 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 132 transitions. [2020-09-21 11:19:38,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:19:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2020-09-21 11:19:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:19:38,073 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:38,073 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:38,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:19:38,073 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:38,074 INFO L82 PathProgramCache]: Analyzing trace with hash 580129251, now seen corresponding path program 5 times [2020-09-21 11:19:38,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:38,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343232264] [2020-09-21 11:19:38,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:19:38,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:19:38,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-21 11:19:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:38,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:19:38,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:19:38,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:19:38,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:38,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:19:38,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:38,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:19:38,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:38,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:19:38,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:38,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:38,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:38,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:19:38,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:38,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:38,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:38,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:38,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:38,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:38,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:38,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:38,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:38,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:38,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:19:38,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:38,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:38,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:38,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:19:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:38,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:38,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:38,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:38,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:38,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:38,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:38,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:38,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:38,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:38,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:38,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:38,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:38,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:38,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:38,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 54 proven. 238 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-09-21 11:19:38,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343232264] [2020-09-21 11:19:38,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:38,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:19:38,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904491031] [2020-09-21 11:19:38,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:19:38,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:38,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:19:38,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:19:38,728 INFO L87 Difference]: Start difference. First operand 85 states and 132 transitions. Second operand 11 states. [2020-09-21 11:19:39,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:39,038 INFO L93 Difference]: Finished difference Result 204 states and 361 transitions. [2020-09-21 11:19:39,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:19:39,039 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-09-21 11:19:39,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:39,043 INFO L225 Difference]: With dead ends: 204 [2020-09-21 11:19:39,043 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 11:19:39,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:19:39,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 11:19:39,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 117. [2020-09-21 11:19:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-09-21 11:19:39,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 188 transitions. [2020-09-21 11:19:39,066 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 188 transitions. Word has length 109 [2020-09-21 11:19:39,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:39,067 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 188 transitions. [2020-09-21 11:19:39,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:19:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 188 transitions. [2020-09-21 11:19:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-21 11:19:39,073 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:39,073 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:39,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:19:39,073 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:39,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:39,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1009195755, now seen corresponding path program 6 times [2020-09-21 11:19:39,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:39,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827790329] [2020-09-21 11:19:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:39,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-21 11:19:39,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:19:39,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-21 11:19:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:19:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-09-21 11:19:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:39,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:19:39,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:39,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:39,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:39,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-21 11:19:39,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:19:39,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-21 11:19:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:19:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-09-21 11:19:39,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:19:39,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:19:39,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:39,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:19:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:19:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:39,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:19:39,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:39,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:39,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:19:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:19:39,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:39,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:19:39,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:39,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:19:39,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:39,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:19:39,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:39,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:39,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:39,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:19:39,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:39,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:39,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:19:39,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:19:39,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:39,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:39,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:39,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:39,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:19:39,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:39,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:39,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:39,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:39,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:19:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:39,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:39,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:39,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:39,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:39,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:39,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:39,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:39,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:39,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:39,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:39,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:39,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:39,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:39,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:39,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:40,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:40,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:19:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:40,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:19:40,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:19:40,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:19:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:19:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 11:19:40,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:40,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:40,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:19:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:19:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:40,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:40,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:19:40,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:40,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:19:40,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:40,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:19:40,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:40,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:40,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:40,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:40,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:40,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:40,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:40,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:40,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:19:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:40,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:40,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:19:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:40,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:40,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:40,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:40,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:40,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:40,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:40,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:40,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:40,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:40,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:40,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:40,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:40,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 394 proven. 807 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2020-09-21 11:19:40,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827790329] [2020-09-21 11:19:40,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:40,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:19:40,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579255475] [2020-09-21 11:19:40,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:19:40,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:40,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:19:40,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:19:40,602 INFO L87 Difference]: Start difference. First operand 117 states and 188 transitions. Second operand 14 states. [2020-09-21 11:19:41,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:41,297 INFO L93 Difference]: Finished difference Result 231 states and 433 transitions. [2020-09-21 11:19:41,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:19:41,298 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-21 11:19:41,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:41,301 INFO L225 Difference]: With dead ends: 231 [2020-09-21 11:19:41,301 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:19:41,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:19:41,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:19:41,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 69. [2020-09-21 11:19:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-09-21 11:19:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions. [2020-09-21 11:19:41,330 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 218 [2020-09-21 11:19:41,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:41,332 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions. [2020-09-21 11:19:41,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:19:41,332 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2020-09-21 11:19:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 11:19:41,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:41,338 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:41,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:19:41,339 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:41,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:41,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1442326180, now seen corresponding path program 7 times [2020-09-21 11:19:41,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:41,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159644611] [2020-09-21 11:19:41,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-21 11:19:41,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:19:41,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:19:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-09-21 11:19:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:41,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:19:41,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:19:41,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:19:41,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-09-21 11:19:41,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:19:41,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:19:41,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:19:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:41,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:19:41,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:41,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:19:41,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:41,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:19:41,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:41,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:41,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:41,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:41,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:41,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:41,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:41,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:41,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:41,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:19:41,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:41,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:19:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:41,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:41,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:41,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:19:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:41,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:19:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:41,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:41,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:41,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:41,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:41,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:41,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:41,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:41,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:41,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:41,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:41,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:41,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:19:41,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:41,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:41,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:41,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:41,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 102 proven. 548 refuted. 0 times theorem prover too weak. 1004 trivial. 0 not checked. [2020-09-21 11:19:42,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159644611] [2020-09-21 11:19:42,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:42,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:19:42,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549309151] [2020-09-21 11:19:42,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:19:42,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:42,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:19:42,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:19:42,081 INFO L87 Difference]: Start difference. First operand 69 states and 89 transitions. Second operand 11 states. [2020-09-21 11:19:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:42,271 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2020-09-21 11:19:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:19:42,272 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-09-21 11:19:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:42,274 INFO L225 Difference]: With dead ends: 76 [2020-09-21 11:19:42,274 INFO L226 Difference]: Without dead ends: 72 [2020-09-21 11:19:42,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 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 11:19:42,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-21 11:19:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-21 11:19:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:19:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2020-09-21 11:19:42,284 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 177 [2020-09-21 11:19:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:42,285 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2020-09-21 11:19:42,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:19:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2020-09-21 11:19:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 11:19:42,289 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:42,289 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:42,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:19:42,290 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:42,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:42,290 INFO L82 PathProgramCache]: Analyzing trace with hash -902141708, now seen corresponding path program 8 times [2020-09-21 11:19:42,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:42,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983723079] [2020-09-21 11:19:42,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:19:42,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 361 [2020-09-21 11:19:42,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:19:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:19:42,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:42,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:19:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-21 11:19:42,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:19:42,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:19:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-09-21 11:19:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:19:42,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:19:42,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:19:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-09-21 11:19:42,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:19:42,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:19:42,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:19:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:19:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:42,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:19:42,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:19:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:19:42,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:42,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:42,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:42,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:42,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:42,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:42,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:19:42,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:19:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:19:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:19:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:19:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:19:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:19:43,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:19:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:19:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:19:43,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:19:43,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:19:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:43,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:19:43,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:19:43,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:19:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:43,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:19:43,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:43,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 11:19:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:19:43,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:19:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 11:19:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:19:43,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:19:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:19:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:19:43,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:19:43,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:19:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:19:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:19:43,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:19:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:19:43,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:19:43,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:19:43,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:19:43,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:19:43,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:19:43,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:19:43,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:19:43,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:19:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:19:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:19:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:19:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:19:43,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 201 proven. 1146 refuted. 0 times theorem prover too weak. 3221 trivial. 0 not checked. [2020-09-21 11:19:43,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983723079] [2020-09-21 11:19:43,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:19:43,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:19:43,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157524741] [2020-09-21 11:19:43,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:19:43,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:19:43,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:19:43,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:19:43,528 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 12 states. [2020-09-21 11:19:43,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:19:43,817 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2020-09-21 11:19:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:19:43,818 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-09-21 11:19:43,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:19:43,824 INFO L225 Difference]: With dead ends: 243 [2020-09-21 11:19:43,824 INFO L226 Difference]: Without dead ends: 239 [2020-09-21 11:19:43,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 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 11:19:43,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-09-21 11:19:43,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 224. [2020-09-21 11:19:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-21 11:19:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 335 transitions. [2020-09-21 11:19:43,878 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 335 transitions. Word has length 286 [2020-09-21 11:19:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:19:43,878 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 335 transitions. [2020-09-21 11:19:43,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:19:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2020-09-21 11:19:43,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-21 11:19:43,887 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:19:43,887 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:19:43,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:19:43,888 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:19:43,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:19:43,888 INFO L82 PathProgramCache]: Analyzing trace with hash -768599631, now seen corresponding path program 9 times [2020-09-21 11:19:43,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:19:43,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275808134] [2020-09-21 11:19:43,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:19:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:19:44,045 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:19:44,045 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:19:44,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:19:44,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:19:44 BoogieIcfgContainer [2020-09-21 11:19:44,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:19:44,155 INFO L168 Benchmark]: Toolchain (without parser) took 10053.82 ms. Allocated memory was 141.0 MB in the beginning and 440.9 MB in the end (delta: 299.9 MB). Free memory was 104.3 MB in the beginning and 126.5 MB in the end (delta: -22.2 MB). Peak memory consumption was 277.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:19:44,156 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:19:44,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.95 ms. Allocated memory is still 141.0 MB. Free memory was 103.7 MB in the beginning and 94.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:19:44,162 INFO L168 Benchmark]: Boogie Preprocessor took 33.88 ms. Allocated memory is still 141.0 MB. Free memory was 94.4 MB in the beginning and 92.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:19:44,163 INFO L168 Benchmark]: RCFGBuilder took 365.37 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 92.9 MB in the beginning and 170.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:19:44,165 INFO L168 Benchmark]: TraceAbstraction took 9253.00 ms. Allocated memory was 203.4 MB in the beginning and 440.9 MB in the end (delta: 237.5 MB). Free memory was 170.2 MB in the beginning and 126.5 MB in the end (delta: 43.7 MB). Peak memory consumption was 281.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:19:44,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 374.95 ms. Allocated memory is still 141.0 MB. Free memory was 103.7 MB in the beginning and 94.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.88 ms. Allocated memory is still 141.0 MB. Free memory was 94.4 MB in the beginning and 92.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.37 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 92.9 MB in the beginning and 170.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9253.00 ms. Allocated memory was 203.4 MB in the beginning and 440.9 MB in the end (delta: 237.5 MB). Free memory was 170.2 MB in the beginning and 126.5 MB in the end (delta: 43.7 MB). Peak memory consumption was 281.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 31]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int x = __VERIFIER_nondet_int(); [L27] CALL, EXPR fibonacci(x) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L27] RET, EXPR fibonacci(x) [L27] int result = fibonacci(x); [L28] COND FALSE !(x < 8 || result >= 34) [L31] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.0s, OverallIterations: 12, TraceHistogramMax: 67, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 392 SDslu, 583 SDs, 0 SdLazy, 1047 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 308 SyntacticMatches, 5 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 59 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1482 NumberOfCodeBlocks, 1482 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1008 ConstructedInterpolants, 0 QuantifiedInterpolants, 321214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 6806/9683 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...