/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:21:08,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:21:08,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:21:08,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:21:08,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:21:08,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:21:08,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:21:08,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:21:08,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:21:08,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:21:08,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:21:08,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:21:08,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:21:08,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:21:08,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:21:08,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:21:08,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:21:08,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:21:08,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:21:08,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:21:08,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:21:08,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:21:08,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:21:08,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:21:08,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:21:08,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:21:08,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:21:08,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:21:08,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:21:08,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:21:08,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:21:08,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:21:08,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:21:08,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:21:08,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:21:08,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:21:08,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:21:08,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:21:08,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:21:08,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:21:08,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:21:08,205 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 11:21:08,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:21:08,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:21:08,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:21:08,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:21:08,251 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:21:08,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:21:08,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:21:08,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:21:08,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:21:08,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:21:08,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:21:08,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:21:08,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:21:08,254 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:21:08,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:21:08,254 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:21:08,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:21:08,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:21:08,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:21:08,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:21:08,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:21:08,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:21:08,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:21:08,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:21:08,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:21:08,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:21:08,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:21:08,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:21:08,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:21:08,257 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 11:21:08,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:21:08,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:21:08,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:21:08,815 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:21:08,816 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:21:08,817 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-09-21 11:21:08,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3a5e7cc8/272bba3fe4024a81afb13129bf3be15e/FLAGf531473fc [2020-09-21 11:21:09,482 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:21:09,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-09-21 11:21:09,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3a5e7cc8/272bba3fe4024a81afb13129bf3be15e/FLAGf531473fc [2020-09-21 11:21:09,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3a5e7cc8/272bba3fe4024a81afb13129bf3be15e [2020-09-21 11:21:09,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:21:09,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:21:09,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:21:09,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:21:09,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:21:09,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:21:09" (1/1) ... [2020-09-21 11:21:09,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f0616b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:09, skipping insertion in model container [2020-09-21 11:21:09,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:21:09" (1/1) ... [2020-09-21 11:21:09,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:21:09,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:21:10,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:21:10,183 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:21:10,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:21:10,226 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:21:10,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10 WrapperNode [2020-09-21 11:21:10,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:21:10,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:21:10,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:21:10,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:21:10,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (1/1) ... [2020-09-21 11:21:10,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (1/1) ... [2020-09-21 11:21:10,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (1/1) ... [2020-09-21 11:21:10,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (1/1) ... [2020-09-21 11:21:10,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (1/1) ... [2020-09-21 11:21:10,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (1/1) ... [2020-09-21 11:21:10,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (1/1) ... [2020-09-21 11:21:10,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:21:10,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:21:10,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:21:10,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:21:10,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (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 11:21:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:21:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:21:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-21 11:21:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-21 11:21:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:21:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:21:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:21:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-21 11:21:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-21 11:21:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:21:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:21:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:21:10,663 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:21:10,663 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:21:10,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:21:10 BoogieIcfgContainer [2020-09-21 11:21:10,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:21:10,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:21:10,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:21:10,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:21:10,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:21:09" (1/3) ... [2020-09-21 11:21:10,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e6465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:21:10, skipping insertion in model container [2020-09-21 11:21:10,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:10" (2/3) ... [2020-09-21 11:21:10,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e6465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:21:10, skipping insertion in model container [2020-09-21 11:21:10,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:21:10" (3/3) ... [2020-09-21 11:21:10,679 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2020-09-21 11:21:10,689 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:21:10,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:21:10,721 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:21:10,754 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:21:10,754 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:21:10,755 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:21:10,755 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:21:10,755 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:21:10,755 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:21:10,755 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:21:10,755 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:21:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-09-21 11:21:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 11:21:10,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:10,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:10,791 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:10,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:10,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-09-21 11:21:10,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:10,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228666241] [2020-09-21 11:21:10,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:10,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:10,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:10,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:10,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:10,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:21:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:21:10,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:11,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:11,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:11,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:21:11,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:11,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:11,089 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 11:21:11,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228666241] [2020-09-21 11:21:11,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:21:11,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:21:11,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910562823] [2020-09-21 11:21:11,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:21:11,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:11,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:21:11,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:21:11,134 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-09-21 11:21:11,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:11,261 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-09-21 11:21:11,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:21:11,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 11:21:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:11,278 INFO L225 Difference]: With dead ends: 44 [2020-09-21 11:21:11,278 INFO L226 Difference]: Without dead ends: 30 [2020-09-21 11:21:11,283 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 11:21:11,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-21 11:21:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-21 11:21:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:21:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 11:21:11,355 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-09-21 11:21:11,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:11,355 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 11:21:11,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:21:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 11:21:11,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 11:21:11,358 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:11,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:11,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:21:11,359 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:11,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:11,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-09-21 11:21:11,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:11,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991049689] [2020-09-21 11:21:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:21:11,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:11,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:11,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:11,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:11,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:11,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:11,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:11,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:11,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:11,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:11,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:11,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:11,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:11,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:11,465 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 11:21:11,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991049689] [2020-09-21 11:21:11,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:21:11,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:21:11,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298015534] [2020-09-21 11:21:11,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:21:11,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:11,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:21:11,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:21:11,470 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-09-21 11:21:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:11,540 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-09-21 11:21:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:21:11,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 11:21:11,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:11,543 INFO L225 Difference]: With dead ends: 36 [2020-09-21 11:21:11,543 INFO L226 Difference]: Without dead ends: 32 [2020-09-21 11:21:11,544 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 11:21:11,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-21 11:21:11,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-09-21 11:21:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:21:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 11:21:11,554 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-09-21 11:21:11,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:11,555 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 11:21:11,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:21:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 11:21:11,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 11:21:11,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:11,557 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:11,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:21:11,558 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:11,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:11,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-09-21 11:21:11,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:11,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891196476] [2020-09-21 11:21:11,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:21:11,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:11,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:21:11,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:11,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:11,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:11,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:11,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:21:11,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:21:11,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:21:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:11,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:11,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:11,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:11,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:11,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:21:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:11,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:11,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:11,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:11,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:11,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:11,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:11,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:21:11,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891196476] [2020-09-21 11:21:11,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:11,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:21:11,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415612823] [2020-09-21 11:21:11,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:21:11,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:11,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:21:11,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:21:11,862 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-09-21 11:21:11,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:11,975 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-09-21 11:21:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:21:11,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-21 11:21:11,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:11,977 INFO L225 Difference]: With dead ends: 58 [2020-09-21 11:21:11,977 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 11:21:11,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:11,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 11:21:11,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-09-21 11:21:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 11:21:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-09-21 11:21:11,989 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-09-21 11:21:11,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:11,989 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-09-21 11:21:11,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:21:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-09-21 11:21:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:21:11,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:11,991 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:11,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:21:11,992 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:11,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:11,993 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-09-21 11:21:11,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:11,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165107414] [2020-09-21 11:21:11,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:21:12,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:12,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:12,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:12,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:21:12,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:12,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:12,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:12,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:21:12,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:12,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:12,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:12,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:12,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:12,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:21:12,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165107414] [2020-09-21 11:21:12,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:12,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:21:12,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544734445] [2020-09-21 11:21:12,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:21:12,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:12,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:21:12,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:21:12,207 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-09-21 11:21:12,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:12,376 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2020-09-21 11:21:12,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:21:12,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 11:21:12,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:12,379 INFO L225 Difference]: With dead ends: 50 [2020-09-21 11:21:12,379 INFO L226 Difference]: Without dead ends: 46 [2020-09-21 11:21:12,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-21 11:21:12,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-09-21 11:21:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-21 11:21:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-09-21 11:21:12,392 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 27 [2020-09-21 11:21:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:12,393 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-09-21 11:21:12,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:21:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-09-21 11:21:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-21 11:21:12,395 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:12,395 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:12,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:21:12,396 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:12,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:12,396 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-09-21 11:21:12,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:12,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441243985] [2020-09-21 11:21:12,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:21:12,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:12,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:12,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:21:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:12,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:12,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:12,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-21 11:21:12,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:12,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:21:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:12,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:21:12,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:21:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:12,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:12,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:21:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:12,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:12,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:21:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:12,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:12,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:21:12,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441243985] [2020-09-21 11:21:12,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:12,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:21:12,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126140712] [2020-09-21 11:21:12,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:21:12,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:12,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:21:12,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:21:12,584 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 6 states. [2020-09-21 11:21:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:12,652 INFO L93 Difference]: Finished difference Result 86 states and 132 transitions. [2020-09-21 11:21:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:21:12,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-09-21 11:21:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:12,655 INFO L225 Difference]: With dead ends: 86 [2020-09-21 11:21:12,655 INFO L226 Difference]: Without dead ends: 48 [2020-09-21 11:21:12,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:21:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-09-21 11:21:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-09-21 11:21:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-21 11:21:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-09-21 11:21:12,667 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 39 [2020-09-21 11:21:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:12,668 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-09-21 11:21:12,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:21:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-09-21 11:21:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-21 11:21:12,670 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:12,670 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:12,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:21:12,671 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:12,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:12,671 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-09-21 11:21:12,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:12,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454985825] [2020-09-21 11:21:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 11:21:12,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:12,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:21:12,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:21:12,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:12,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:21:12,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:12,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:12,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:12,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:12,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:12,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:12,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:12,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:12,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:12,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:12,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:12,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:12,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:12,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:12,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:12,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:12,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:12,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:12,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:12,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:21:12,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454985825] [2020-09-21 11:21:12,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:12,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:21:12,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335354117] [2020-09-21 11:21:12,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:21:12,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:12,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:21:12,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:12,949 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 9 states. [2020-09-21 11:21:13,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:13,101 INFO L93 Difference]: Finished difference Result 93 states and 141 transitions. [2020-09-21 11:21:13,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:21:13,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-09-21 11:21:13,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:13,103 INFO L225 Difference]: With dead ends: 93 [2020-09-21 11:21:13,104 INFO L226 Difference]: Without dead ends: 51 [2020-09-21 11:21:13,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:13,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-21 11:21:13,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2020-09-21 11:21:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-09-21 11:21:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2020-09-21 11:21:13,115 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 40 [2020-09-21 11:21:13,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:13,116 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2020-09-21 11:21:13,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:21:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2020-09-21 11:21:13,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 11:21:13,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:13,118 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:13,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:21:13,119 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:13,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:13,119 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-09-21 11:21:13,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:13,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413062524] [2020-09-21 11:21:13,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:13,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:13,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:21:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:13,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:13,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:13,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:13,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:13,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:13,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:13,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:13,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:13,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:13,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:13,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:13,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:13,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:13,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:13,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:13,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:13,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:13,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:13,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:21:13,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413062524] [2020-09-21 11:21:13,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:13,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:21:13,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344013123] [2020-09-21 11:21:13,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:21:13,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:21:13,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:13,296 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 8 states. [2020-09-21 11:21:13,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:13,456 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2020-09-21 11:21:13,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:21:13,457 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-09-21 11:21:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:13,460 INFO L225 Difference]: With dead ends: 66 [2020-09-21 11:21:13,460 INFO L226 Difference]: Without dead ends: 62 [2020-09-21 11:21:13,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-21 11:21:13,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-09-21 11:21:13,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-21 11:21:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 90 transitions. [2020-09-21 11:21:13,475 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 90 transitions. Word has length 41 [2020-09-21 11:21:13,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:13,475 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 90 transitions. [2020-09-21 11:21:13,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:21:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2020-09-21 11:21:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 11:21:13,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:13,485 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:13,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:21:13,486 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:13,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:13,486 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-09-21 11:21:13,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:13,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690842321] [2020-09-21 11:21:13,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:21:13,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:21:13,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:13,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:13,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:13,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 11:21:13,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:13,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:21:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:21:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:21:13,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:13,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:21:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:13,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:13,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:13,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:13,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:13,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:13,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:13,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:13,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:13,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:13,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:13,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:13,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:21:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:13,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:13,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:13,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:13,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:13,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:13,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:13,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:13,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:21:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:13,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-21 11:21:13,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690842321] [2020-09-21 11:21:13,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:13,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:21:13,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11713217] [2020-09-21 11:21:13,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:21:13,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:13,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:21:13,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:13,795 INFO L87 Difference]: Start difference. First operand 59 states and 90 transitions. Second operand 8 states. [2020-09-21 11:21:13,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:13,968 INFO L93 Difference]: Finished difference Result 125 states and 221 transitions. [2020-09-21 11:21:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:21:13,970 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-09-21 11:21:13,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:13,973 INFO L225 Difference]: With dead ends: 125 [2020-09-21 11:21:13,973 INFO L226 Difference]: Without dead ends: 72 [2020-09-21 11:21:13,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:21:13,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-21 11:21:13,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2020-09-21 11:21:13,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-21 11:21:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2020-09-21 11:21:14,006 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 54 [2020-09-21 11:21:14,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:14,007 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2020-09-21 11:21:14,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:21:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2020-09-21 11:21:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:21:14,013 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:14,013 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:14,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:21:14,014 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:14,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:14,014 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-09-21 11:21:14,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:14,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117896052] [2020-09-21 11:21:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:21:14,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:21:14,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:14,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:14,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:14,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:14,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 11:21:14,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:14,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:21:14,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:14,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:14,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:14,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:14,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:14,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:14,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:14,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:14,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:14,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:14,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:14,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:14,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:14,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:14,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:14,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:21:14,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117896052] [2020-09-21 11:21:14,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:14,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:21:14,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449015027] [2020-09-21 11:21:14,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:21:14,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:14,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:21:14,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:14,282 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand 9 states. [2020-09-21 11:21:14,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:14,496 INFO L93 Difference]: Finished difference Result 132 states and 233 transitions. [2020-09-21 11:21:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:21:14,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-09-21 11:21:14,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:14,499 INFO L225 Difference]: With dead ends: 132 [2020-09-21 11:21:14,499 INFO L226 Difference]: Without dead ends: 75 [2020-09-21 11:21:14,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:21:14,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-21 11:21:14,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2020-09-21 11:21:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-09-21 11:21:14,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2020-09-21 11:21:14,513 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 55 [2020-09-21 11:21:14,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:14,513 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2020-09-21 11:21:14,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:21:14,513 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2020-09-21 11:21:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:21:14,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:14,515 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:14,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:21:14,515 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:14,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:14,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1156896337, now seen corresponding path program 1 times [2020-09-21 11:21:14,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:14,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825342498] [2020-09-21 11:21:14,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 11:21:14,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:21:14,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:14,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:14,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:14,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:14,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:14,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:21:14,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:14,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:14,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:14,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:14,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:14,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:14,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:14,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:14,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:14,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:14,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:14,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:14,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:14,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:14,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:14,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-21 11:21:14,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825342498] [2020-09-21 11:21:14,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:14,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:21:14,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662624193] [2020-09-21 11:21:14,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:21:14,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:14,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:21:14,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:14,796 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand 9 states. [2020-09-21 11:21:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:14,969 INFO L93 Difference]: Finished difference Result 98 states and 165 transitions. [2020-09-21 11:21:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:21:14,971 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-09-21 11:21:14,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:14,975 INFO L225 Difference]: With dead ends: 98 [2020-09-21 11:21:14,975 INFO L226 Difference]: Without dead ends: 94 [2020-09-21 11:21:14,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:21:14,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-21 11:21:15,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 79. [2020-09-21 11:21:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-21 11:21:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 128 transitions. [2020-09-21 11:21:15,005 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 128 transitions. Word has length 68 [2020-09-21 11:21:15,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:15,006 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 128 transitions. [2020-09-21 11:21:15,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:21:15,006 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2020-09-21 11:21:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-21 11:21:15,011 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:15,011 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:15,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:21:15,012 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:15,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:15,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1229769625, now seen corresponding path program 2 times [2020-09-21 11:21:15,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:15,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781573360] [2020-09-21 11:21:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:21:15,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:15,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:21:15,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:15,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:21:15,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:15,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:21:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:21:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 11:21:15,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:15,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:21:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:15,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:15,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:15,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:15,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:15,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:15,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:15,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:15,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:15,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:15,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:15,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:15,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:15,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:21:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:15,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:21:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:15,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:15,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 44 proven. 55 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-09-21 11:21:15,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781573360] [2020-09-21 11:21:15,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:15,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:21:15,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575456367] [2020-09-21 11:21:15,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:21:15,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:15,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:21:15,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:21:15,448 INFO L87 Difference]: Start difference. First operand 79 states and 128 transitions. Second operand 10 states. [2020-09-21 11:21:15,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:15,767 INFO L93 Difference]: Finished difference Result 170 states and 331 transitions. [2020-09-21 11:21:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:21:15,768 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-09-21 11:21:15,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:15,772 INFO L225 Difference]: With dead ends: 170 [2020-09-21 11:21:15,772 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:21:15,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:21:15,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:21:15,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2020-09-21 11:21:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-21 11:21:15,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 141 transitions. [2020-09-21 11:21:15,797 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 141 transitions. Word has length 96 [2020-09-21 11:21:15,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:15,798 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 141 transitions. [2020-09-21 11:21:15,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:21:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2020-09-21 11:21:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:21:15,806 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:15,806 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:15,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:21:15,807 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:15,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:15,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1113650782, now seen corresponding path program 2 times [2020-09-21 11:21:15,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:15,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124932230] [2020-09-21 11:21:15,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:21:15,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:15,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:15,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:21:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:15,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:15,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:15,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:21:15,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:21:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:15,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:21:15,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:21:15,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:15,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:16,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:21:16,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:16,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:16,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:16,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:16,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:16,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:16,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:16,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:16,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:16,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:16,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:16,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:16,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:16,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:16,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:16,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:16,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:16,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:16,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:16,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:21:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:16,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:21:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:16,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:16,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:16,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:16,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,376 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 59 proven. 96 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-09-21 11:21:16,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124932230] [2020-09-21 11:21:16,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:16,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:21:16,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775737144] [2020-09-21 11:21:16,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:21:16,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:16,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:21:16,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:21:16,379 INFO L87 Difference]: Start difference. First operand 87 states and 141 transitions. Second operand 12 states. [2020-09-21 11:21:16,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:16,794 INFO L93 Difference]: Finished difference Result 192 states and 399 transitions. [2020-09-21 11:21:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:21:16,795 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-09-21 11:21:16,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:16,798 INFO L225 Difference]: With dead ends: 192 [2020-09-21 11:21:16,798 INFO L226 Difference]: Without dead ends: 105 [2020-09-21 11:21:16,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:21:16,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-21 11:21:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2020-09-21 11:21:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-21 11:21:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 151 transitions. [2020-09-21 11:21:16,816 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 151 transitions. Word has length 109 [2020-09-21 11:21:16,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:16,818 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 151 transitions. [2020-09-21 11:21:16,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:21:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2020-09-21 11:21:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:21:16,821 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:16,821 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:16,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:21:16,821 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:16,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:16,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 3 times [2020-09-21 11:21:16,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:16,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274964297] [2020-09-21 11:21:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:21:17,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-21 11:21:17,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-21 11:21:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-21 11:21:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:21:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:17,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:17,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:17,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:17,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-21 11:21:17,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 11:21:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-21 11:21:17,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:17,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:21:17,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:21:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:21:17,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:17,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:21:17,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 11:21:17,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:17,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:17,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:17,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:17,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:17,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:21:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:17,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:17,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:17,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:17,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:17,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:17,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:17,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:18,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:18,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:18,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:18,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:18,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:21:18,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:18,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:18,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:21:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:18,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:21:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:18,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:18,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:18,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:18,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:18,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:18,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-09-21 11:21:18,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274964297] [2020-09-21 11:21:18,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:18,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 11:21:18,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831678349] [2020-09-21 11:21:18,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 11:21:18,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:18,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 11:21:18,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:21:18,471 INFO L87 Difference]: Start difference. First operand 96 states and 151 transitions. Second operand 23 states. [2020-09-21 11:21:18,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:18,886 INFO L93 Difference]: Finished difference Result 170 states and 331 transitions. [2020-09-21 11:21:18,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:21:18,887 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 109 [2020-09-21 11:21:18,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:18,892 INFO L225 Difference]: With dead ends: 170 [2020-09-21 11:21:18,892 INFO L226 Difference]: Without dead ends: 166 [2020-09-21 11:21:18,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 37 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:21:18,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-21 11:21:18,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 121. [2020-09-21 11:21:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-21 11:21:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 214 transitions. [2020-09-21 11:21:18,915 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 214 transitions. Word has length 109 [2020-09-21 11:21:18,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:18,916 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 214 transitions. [2020-09-21 11:21:18,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 11:21:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 214 transitions. [2020-09-21 11:21:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-09-21 11:21:18,919 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:18,920 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:18,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:21:18,920 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:18,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:18,921 INFO L82 PathProgramCache]: Analyzing trace with hash -46122593, now seen corresponding path program 4 times [2020-09-21 11:21:18,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:18,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558835373] [2020-09-21 11:21:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-21 11:21:18,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:18,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-21 11:21:18,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:18,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:18,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-21 11:21:19,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:21:19,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:21:19,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:19,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:19,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:19,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:19,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:19,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:19,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:19,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:19,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:19,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:19,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:19,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:19,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:19,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 67 proven. 44 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-09-21 11:21:19,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558835373] [2020-09-21 11:21:19,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:19,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:21:19,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866574824] [2020-09-21 11:21:19,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:21:19,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:19,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:21:19,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:21:19,384 INFO L87 Difference]: Start difference. First operand 121 states and 214 transitions. Second operand 12 states. [2020-09-21 11:21:19,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:19,717 INFO L93 Difference]: Finished difference Result 241 states and 492 transitions. [2020-09-21 11:21:19,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:21:19,718 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-09-21 11:21:19,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:19,721 INFO L225 Difference]: With dead ends: 241 [2020-09-21 11:21:19,721 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 11:21:19,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:21:19,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 11:21:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 119. [2020-09-21 11:21:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 11:21:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 204 transitions. [2020-09-21 11:21:19,737 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 204 transitions. Word has length 95 [2020-09-21 11:21:19,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:19,738 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 204 transitions. [2020-09-21 11:21:19,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:21:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2020-09-21 11:21:19,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 11:21:19,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:19,741 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:19,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:21:19,741 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:19,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:19,742 INFO L82 PathProgramCache]: Analyzing trace with hash 721483128, now seen corresponding path program 5 times [2020-09-21 11:21:19,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:19,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662562958] [2020-09-21 11:21:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 11:21:19,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:19,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 11:21:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:19,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 11:21:19,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:21:19,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:21:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:21:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:19,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:21:19,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:19,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:19,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:19,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:20,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:20,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:20,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:20,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:20,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:20,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:20,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:20,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:20,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:20,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:20,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:20,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:20,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:20,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:20,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:20,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:20,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:21:20,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:20,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:21:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:21:20,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:20,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 11:21:20,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:20,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:21:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:20,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:20,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:20,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:20,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:20,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:20,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:20,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:20,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:20,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:20,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:20,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:20,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:20,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:20,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:20,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:20,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:20,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:20,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:20,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:21:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:20,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:20,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:20,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:20,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:21:20,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:20,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 113 proven. 129 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-09-21 11:21:20,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662562958] [2020-09-21 11:21:20,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:20,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:21:20,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985692579] [2020-09-21 11:21:20,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:21:20,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:20,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:21:20,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:21:20,362 INFO L87 Difference]: Start difference. First operand 119 states and 204 transitions. Second operand 13 states. [2020-09-21 11:21:20,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:20,904 INFO L93 Difference]: Finished difference Result 284 states and 581 transitions. [2020-09-21 11:21:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-21 11:21:20,904 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 137 [2020-09-21 11:21:20,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:20,909 INFO L225 Difference]: With dead ends: 284 [2020-09-21 11:21:20,910 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 11:21:20,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:21:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 11:21:20,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 129. [2020-09-21 11:21:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-21 11:21:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 217 transitions. [2020-09-21 11:21:20,933 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 217 transitions. Word has length 137 [2020-09-21 11:21:20,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:20,933 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 217 transitions. [2020-09-21 11:21:20,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:21:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 217 transitions. [2020-09-21 11:21:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 11:21:20,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:20,936 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:20,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 11:21:20,937 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:20,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:20,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1096964450, now seen corresponding path program 6 times [2020-09-21 11:21:20,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:20,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350149761] [2020-09-21 11:21:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:20,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:21:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:20,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-21 11:21:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:21,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-21 11:21:21,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:21:21,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:21:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-21 11:21:21,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:21,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:21,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:21,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:21,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:21,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:21:21,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:21,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:21,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:21,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:21,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:21,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:21,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:21,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:21,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:21,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:21,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:21,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:21,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:21,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:21,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:21,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:21,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:21,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:21,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:21,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:21,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:21,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:21,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:21,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:21,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 101 proven. 147 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2020-09-21 11:21:21,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350149761] [2020-09-21 11:21:21,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:21,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:21:21,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239554952] [2020-09-21 11:21:21,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:21:21,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:21,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:21:21,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:21:21,602 INFO L87 Difference]: Start difference. First operand 129 states and 217 transitions. Second operand 14 states. [2020-09-21 11:21:22,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:22,158 INFO L93 Difference]: Finished difference Result 271 states and 525 transitions. [2020-09-21 11:21:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:21:22,159 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 136 [2020-09-21 11:21:22,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:22,162 INFO L225 Difference]: With dead ends: 271 [2020-09-21 11:21:22,162 INFO L226 Difference]: Without dead ends: 150 [2020-09-21 11:21:22,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:21:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-09-21 11:21:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 138. [2020-09-21 11:21:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-09-21 11:21:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 213 transitions. [2020-09-21 11:21:22,179 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 213 transitions. Word has length 136 [2020-09-21 11:21:22,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:22,180 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 213 transitions. [2020-09-21 11:21:22,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:21:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2020-09-21 11:21:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-21 11:21:22,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:22,184 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 14, 14, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:22,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-21 11:21:22,185 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:22,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:22,185 INFO L82 PathProgramCache]: Analyzing trace with hash -849820776, now seen corresponding path program 7 times [2020-09-21 11:21:22,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:22,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681501458] [2020-09-21 11:21:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:22,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-09-21 11:21:22,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:21:22,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:21:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:22,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-09-21 11:21:22,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:21:22,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:21:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:21:22,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:22,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:22,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:21:22,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:22,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:22,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:22,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:22,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:22,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:22,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:22,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:22,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:22,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:22,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:22,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:22,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:21:22,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:22,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-21 11:21:22,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:22,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:22,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:22,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:22,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:22,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:22,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:22,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:22,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:22,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 11:21:22,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:22,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:22,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:23,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:23,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:23,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:23,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:23,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:23,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:21:23,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:23,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 154 proven. 496 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-09-21 11:21:23,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681501458] [2020-09-21 11:21:23,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:23,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-21 11:21:23,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877136713] [2020-09-21 11:21:23,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-21 11:21:23,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:23,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-21 11:21:23,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:21:23,254 INFO L87 Difference]: Start difference. First operand 138 states and 213 transitions. Second operand 16 states. [2020-09-21 11:21:23,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:23,809 INFO L93 Difference]: Finished difference Result 270 states and 470 transitions. [2020-09-21 11:21:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:21:23,809 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 245 [2020-09-21 11:21:23,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:23,812 INFO L225 Difference]: With dead ends: 270 [2020-09-21 11:21:23,812 INFO L226 Difference]: Without dead ends: 133 [2020-09-21 11:21:23,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:21:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-21 11:21:23,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 127. [2020-09-21 11:21:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-09-21 11:21:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2020-09-21 11:21:23,827 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 245 [2020-09-21 11:21:23,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:23,827 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2020-09-21 11:21:23,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-21 11:21:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-09-21 11:21:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-21 11:21:23,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:23,831 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:23,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-21 11:21:23,831 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:23,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:23,831 INFO L82 PathProgramCache]: Analyzing trace with hash -455828779, now seen corresponding path program 8 times [2020-09-21 11:21:23,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:23,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074971322] [2020-09-21 11:21:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:23,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-21 11:21:23,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:23,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:23,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:23,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:23,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-21 11:21:23,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:21:23,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:21:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:21:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-21 11:21:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:24,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-21 11:21:24,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:21:24,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:21:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-21 11:21:24,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:24,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:24,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:24,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:24,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:24,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:24,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:24,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:24,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:21:24,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:24,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:24,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:24,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:24,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:24,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:24,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:24,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:24,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:24,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:21:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:24,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:24,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:24,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:24,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:24,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:24,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:24,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:24,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-21 11:21:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:24,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-21 11:21:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:24,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 138 proven. 354 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-09-21 11:21:24,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074971322] [2020-09-21 11:21:24,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:24,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-21 11:21:24,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370040649] [2020-09-21 11:21:24,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-21 11:21:24,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:24,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-21 11:21:24,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:21:24,844 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 16 states. [2020-09-21 11:21:25,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:25,450 INFO L93 Difference]: Finished difference Result 262 states and 418 transitions. [2020-09-21 11:21:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:21:25,451 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 204 [2020-09-21 11:21:25,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:25,453 INFO L225 Difference]: With dead ends: 262 [2020-09-21 11:21:25,453 INFO L226 Difference]: Without dead ends: 149 [2020-09-21 11:21:25,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:21:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-09-21 11:21:25,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2020-09-21 11:21:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-21 11:21:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 196 transitions. [2020-09-21 11:21:25,469 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 196 transitions. Word has length 204 [2020-09-21 11:21:25,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:25,469 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 196 transitions. [2020-09-21 11:21:25,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-21 11:21:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 196 transitions. [2020-09-21 11:21:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 11:21:25,472 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:25,472 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:25,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-21 11:21:25,472 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:25,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:25,473 INFO L82 PathProgramCache]: Analyzing trace with hash -529934979, now seen corresponding path program 9 times [2020-09-21 11:21:25,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:25,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061988419] [2020-09-21 11:21:25,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:25,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 11:21:25,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:21:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:21:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:25,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:25,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:25,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-21 11:21:25,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:25,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-21 11:21:25,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:25,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:25,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:25,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:25,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:21:25,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:25,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:25,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:25,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:25,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:25,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:25,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:25,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:25,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:25,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:25,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:25,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:25,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:25,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:25,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:25,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:25,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:25,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:25,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:25,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:25,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:25,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:25,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:25,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:25,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:25,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:25,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:25,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:25,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:25,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:25,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:25,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:25,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:21:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:25,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:25,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:25,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:25,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:25,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:25,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:25,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:25,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:25,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:25,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:25,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:25,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:25,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:25,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 44 proven. 180 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-09-21 11:21:26,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061988419] [2020-09-21 11:21:26,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:26,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:21:26,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168723497] [2020-09-21 11:21:26,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:21:26,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:26,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:21:26,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:26,028 INFO L87 Difference]: Start difference. First operand 143 states and 196 transitions. Second operand 11 states. [2020-09-21 11:21:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:26,436 INFO L93 Difference]: Finished difference Result 149 states and 203 transitions. [2020-09-21 11:21:26,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:21:26,437 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2020-09-21 11:21:26,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:26,439 INFO L225 Difference]: With dead ends: 149 [2020-09-21 11:21:26,439 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:21:26,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:21:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:21:26,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:21:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:21:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:21:26,442 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-09-21 11:21:26,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:26,442 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:21:26,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:21:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:21:26,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:21:26,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-21 11:21:26,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:21:27,531 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-09-21 11:21:29,504 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-09-21 11:21:30,315 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-09-21 11:21:30,529 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-09-21 11:21:30,930 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-09-21 11:21:31,670 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 6 [2020-09-21 11:21:32,202 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 20 [2020-09-21 11:21:32,334 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 6 [2020-09-21 11:21:33,029 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 27 [2020-09-21 11:21:33,034 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-21 11:21:33,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:21:33,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:21:33,035 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 11:21:33,035 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:21:33,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:21:33,035 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-09-21 11:21:33,036 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-09-21 11:21:33,036 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2020-09-21 11:21:33,036 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2020-09-21 11:21:33,036 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-21 11:21:33,037 INFO L268 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-09-21 11:21:33,037 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= main_~x~0 5) (<= 5 main_~x~0)) [2020-09-21 11:21:33,037 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2020-09-21 11:21:33,037 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2020-09-21 11:21:33,037 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-09-21 11:21:33,037 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (<= 2 |fibo2_#in~n|)) [2020-09-21 11:21:33,037 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-09-21 11:21:33,038 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (and (or (not (<= |fibo2_#in~n| 4)) (and (<= 4 |fibo2_#in~n|) (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2)) (and (= |fibo2_#t~ret2| 1) (<= fibo2_~n 3) (< 1 fibo2_~n))) (= fibo2_~n |fibo2_#in~n|)) [2020-09-21 11:21:33,038 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-09-21 11:21:33,038 INFO L268 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-09-21 11:21:33,038 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-09-21 11:21:33,038 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-09-21 11:21:33,038 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-09-21 11:21:33,038 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-09-21 11:21:33,038 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (<= 2 |fibo1_#in~n|) (= fibo1_~n |fibo1_#in~n|)) [2020-09-21 11:21:33,039 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-09-21 11:21:33,039 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse1 (<= |fibo1_#t~ret0| 1)) (.cse2 (<= 1 |fibo1_#t~ret0|)) (.cse0 (= fibo1_~n |fibo1_#in~n|)) (.cse3 (<= |fibo1_#in~n| 4))) (or (and (<= 3 |fibo1_#t~ret0|) (<= 5 fibo1_~n) .cse0 (<= |fibo1_#t~ret0| 3)) (and .cse1 (<= |fibo1_#in~n| 2) .cse2 (<= 2 |fibo1_#in~n|) .cse0) (and .cse0 (<= 6 |fibo1_#in~n|)) (and (<= 4 fibo1_~n) .cse0 .cse3) (and .cse1 .cse2 .cse0 .cse3 (<= 3 |fibo1_#in~n|)))) [2020-09-21 11:21:33,039 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-09-21 11:21:33,039 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-09-21 11:21:33,039 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-09-21 11:21:33,039 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-09-21 11:21:33,039 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-09-21 11:21:33,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:21:33 BoogieIcfgContainer [2020-09-21 11:21:33,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:21:33,057 INFO L168 Benchmark]: Toolchain (without parser) took 23226.54 ms. Allocated memory was 145.8 MB in the beginning and 530.6 MB in the end (delta: 384.8 MB). Free memory was 102.4 MB in the beginning and 444.3 MB in the end (delta: -341.9 MB). Peak memory consumption was 402.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:33,058 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 11:21:33,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.56 ms. Allocated memory is still 145.8 MB. Free memory was 101.8 MB in the beginning and 92.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:33,062 INFO L168 Benchmark]: Boogie Preprocessor took 118.03 ms. Allocated memory was 145.8 MB in the beginning and 200.8 MB in the end (delta: 55.1 MB). Free memory was 92.2 MB in the beginning and 179.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:33,064 INFO L168 Benchmark]: RCFGBuilder took 322.80 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 165.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:33,065 INFO L168 Benchmark]: TraceAbstraction took 22379.34 ms. Allocated memory was 200.8 MB in the beginning and 530.6 MB in the end (delta: 329.8 MB). Free memory was 165.0 MB in the beginning and 444.3 MB in the end (delta: -279.2 MB). Peak memory consumption was 409.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:33,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 397.56 ms. Allocated memory is still 145.8 MB. Free memory was 101.8 MB in the beginning and 92.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.03 ms. Allocated memory was 145.8 MB in the beginning and 200.8 MB in the end (delta: 55.1 MB). Free memory was 92.2 MB in the beginning and 179.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.80 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 165.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22379.34 ms. Allocated memory was 200.8 MB in the beginning and 530.6 MB in the end (delta: 329.8 MB). Free memory was 165.0 MB in the beginning and 444.3 MB in the end (delta: -279.2 MB). Peak memory consumption was 409.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.6s, OverallIterations: 19, TraceHistogramMax: 18, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 574 SDtfs, 549 SDslu, 3574 SDs, 0 SdLazy, 3279 SolverSat, 415 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 790 GetRequests, 515 SyntacticMatches, 21 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 144 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 665 PreInvPairs, 1214 NumberOfFragments, 119 HoareAnnotationTreeSize, 665 FomulaSimplifications, 22333 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 11044 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 1658 NumberOfCodeBlocks, 1658 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1639 ConstructedInterpolants, 0 QuantifiedInterpolants, 532122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 3567/5235 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...